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20231123012320 = 2551168711672967
BaseRepresentation
bin1001001100110011011001…
…11001101000101011100000
32122122002001202012000211011
410212121230321220223200
510122431314442343240
6111010014414230304
74155436042144063
oct446315471505340
978562052160734
1020231123012320
11649aa75575020
122328b161b5394
13b39a2c54521c
144dd2979968da
152513d08136ea
hex12666ce68ae0

20231123012320 has 96 divisors (see below), whose sum is σ = 52148741331456. Its totient is φ = 7355696908800.

The previous prime is 20231123012297. The next prime is 20231123012329. The reversal of 20231123012320 is 2321032113202.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 20231123012291 and 20231123012300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20231123012329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11256477 + ... + 12929443.

It is an arithmetic number, because the mean of its divisors is an integer number (543216055536).

Almost surely, 220231123012320 is an apocalyptic number.

20231123012320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20231123012320 is an abundant number, since it is smaller than the sum of its proper divisors (31917618319136).

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

20231123012320 is a wasteful number, since it uses less digits than its factorization.

20231123012320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679864 (or 1679856 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20231123012320 its reverse (2321032113202), we get a palindrome (22552155125522).

The spelling of 20231123012320 in words is "twenty trillion, two hundred thirty-one billion, one hundred twenty-three million, twelve thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 160 176 220 352 440 880 1760 6871 13742 27484 34355 54968 68710 75581 109936 137420 151162 219872 274840 302324 377905 549680 604648 755810 1099360 1209296 1511620 1672967 2418592 3023240 3345934 6046480 6691868 8364835 12092960 13383736 16729670 18402637 26767472 33459340 36805274 53534944 66918680 73610548 92013185 133837360 147221096 184026370 267674720 294442192 368052740 588884384 736105480 1472210960 2944421920 11494956257 22989912514 45979825028 57474781285 91959650056 114949562570 126444518827 183919300112 229899125140 252889037654 367838600224 459798250280 505778075308 632222594135 919596500560 1011556150616 1264445188270 1839193001120 2023112301232 2528890376540 4046224602464 5057780753080 10115561506160 20231123012320