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23231312322 = 23377113111251
BaseRepresentation
bin10101101000101100…
…011011000111000010
32012222000210221102220
4111220230123013002
5340034203443242
614401115351510
71451456616351
oct255054330702
965860727386
1023231312322
119941519879
124604152596
132262c8a86a
1411a5501998
1590e7a1bec
hex568b1b1c2

23231312322 has 64 divisors (see below), whose sum is σ = 48764187648. Its totient is φ = 7371000000.

The previous prime is 23231312317. The next prime is 23231312323. The reversal of 23231312322 is 22321313232.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 23231312292 and 23231312301.

It is not an unprimeable number, because it can be changed into a prime (23231312323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2059197 + ... + 2070447.

It is an arithmetic number, because the mean of its divisors is an integer number (761940432).

Almost surely, 223231312322 is an apocalyptic number.

23231312322 is an abundant number, since it is smaller than the sum of its proper divisors (25532875326).

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

23231312322 is a wasteful number, since it uses less digits than its factorization.

23231312322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11495.

The product of its digits is 2592, while the sum is 24.

Adding to 23231312322 its reverse (22321313232), we get a palindrome (45552625554).

The spelling of 23231312322 in words is "twenty-three billion, two hundred thirty-one million, three hundred twelve thousand, three hundred twenty-two".

Divisors: 1 2 3 6 37 71 74 111 131 142 213 222 262 393 426 786 2627 4847 5254 7881 9301 9694 11251 14541 15762 18602 22502 27903 29082 33753 55806 67506 344137 416287 688274 798821 832574 1032411 1248861 1473881 1597642 2064822 2396463 2497722 2947762 4421643 4792926 8843286 29556377 54533597 59112754 88669131 104645551 109067194 163600791 177338262 209291102 313936653 327201582 627873306 3871885387 7743770774 11615656161 23231312322