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23114223020440 = 23523531493181481
BaseRepresentation
bin1010100000101101100110…
…00011010110100110011000
310000211200211221111102110101
411100112303003112212120
511012200412043123230
6121054305533225144
74603642664646256
oct520266303264630
9100750757442411
1023114223020440
117401761343662
1227138366321b4
13cb887b1b96a6
1459ca3d1435d6
152a13c22ecaca
hex1505b30d6998

23114223020440 has 128 divisors (see below), whose sum is σ = 55663209072000. Its totient is φ = 8618603868160.

The previous prime is 23114223020327. The next prime is 23114223020467. The reversal of 23114223020440 is 4402032241132.

It is a junction number, because it is equal to n+sod(n) for n = 23114223020399 and 23114223020408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5674500 + ... + 8855980.

It is an arithmetic number, because the mean of its divisors is an integer number (434868820875).

Almost surely, 223114223020440 is an apocalyptic number.

23114223020440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23114223020440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27831604536000).

23114223020440 is an abundant number, since it is smaller than the sum of its proper divisors (32548986051560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23114223020440 is a wasteful number, since it uses less digits than its factorization.

23114223020440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3181717 (or 3181713 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 23114223020440 its reverse (4402032241132), we get a palindrome (27516255261572).

The spelling of 23114223020440 in words is "twenty-three trillion, one hundred fourteen billion, two hundred twenty-three million, twenty thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 23 40 46 53 92 106 115 149 184 212 230 265 298 424 460 530 596 745 920 1060 1192 1219 1490 2120 2438 2980 3427 4876 5960 6095 6854 7897 9752 12190 13708 15794 17135 24380 27416 31588 34270 39485 48760 63176 68540 78970 137080 157940 181631 315880 363262 726524 908155 1453048 1816310 3181481 3632620 6362962 7265240 12725924 15907405 25451848 31814810 63629620 73174063 127259240 146348126 168618493 292696252 337236986 365870315 474040669 585392504 674473972 731740630 843092465 948081338 1348947944 1463481260 1686184930 1896162676 2370203345 2926962520 3372369860 3792325352 3878225339 4740406690 6744739720 7756450678 9480813380 10902935387 15512901356 18961626760 19391126695 21805870774 25124155457 31025802712 38782253390 43611741548 50248310914 54514676935 77564506780 87223483096 100496621828 109029353870 125620777285 155129013560 200993243656 218058707740 251241554570 436117415480 502483109140 577855575511 1004966218280 1155711151022 2311422302044 2889277877555 4622844604088 5778555755110 11557111510220 23114223020440