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23231212012332 = 223543954442879
BaseRepresentation
bin1010100100000111100000…
…01000111100001100101100
310001020212211002220222100000
411102003300020330030230
511021110010233343312
6121224134345304300
74615254042660342
oct522036010741454
9101225732828300
1023231212012332
1174473355a9825
122732445a95090
13cc6903636b4c
145a457a619992
152a446cc87adc
hex1520f023c32c

23231212012332 has 72 divisors (see below), whose sum is σ = 61037001625600. Its totient is φ = 7726097702736.

The previous prime is 23231212012279. The next prime is 23231212012357. The reversal of 23231212012332 is 23321021213232.

23231212012332 is a `hidden beast` number, since 2 + 3 + 2 + 3 + 121 + 201 + 2 + 332 = 666.

It is a super-2 number, since 2×232312120123322 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 23231212012296 and 23231212012305.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26794732 + ... + 27648147.

Almost surely, 223231212012332 is an apocalyptic number.

It is an amenable number.

23231212012332 is an abundant number, since it is smaller than the sum of its proper divisors (37805789613268).

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

23231212012332 is a wasteful number, since it uses less digits than its factorization.

23231212012332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54443337 (or 54443323 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 23231212012332 its reverse (23321021213232), we get a palindrome (46552233225564).

The spelling of 23231212012332 in words is "twenty-three trillion, two hundred thirty-one billion, two hundred twelve million, twelve thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 324 439 486 878 972 1317 1756 2634 3951 5268 7902 11853 15804 23706 35559 47412 71118 106677 142236 213354 426708 54442879 108885758 163328637 217771516 326657274 489985911 653314548 979971822 1469957733 1959943644 2939915466 4409873199 5879830932 8819746398 13229619597 17639492796 23900423881 26459239194 47800847762 52918478388 71701271643 95601695524 143402543286 215103814929 286805086572 430207629858 645311444787 860415259716 1290622889574 1935934334361 2581245779148 3871868668722 5807803003083 7743737337444 11615606006166 23231212012332