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23088230808 = 233173195809
BaseRepresentation
bin10101100000001010…
…100111000110011000
32012121001120122111120
4111200022213012120
5334241041341213
614335004525240
71445101503156
oct254012470630
965531518446
1023088230808
119878782595
124584250820
13223c441a46
1411904d83d6
15901e3c423
hex5602a7198

23088230808 has 64 divisors (see below), whose sum is σ = 61327692000. Its totient is φ = 7243329536.

The previous prime is 23088230801. The next prime is 23088230813. The reversal of 23088230808 is 80803288032.

It is a self number, because there is not a number n which added to its sum of digits gives 23088230808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23088230801) 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, 20008 + ... + 215816.

Almost surely, 223088230808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23088230808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30663846000).

23088230808 is an abundant number, since it is smaller than the sum of its proper divisors (38239461192).

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

23088230808 is a wasteful number, since it uses less digits than its factorization.

23088230808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195869 (or 195831 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The spelling of 23088230808 in words is "twenty-three billion, eighty-eight million, two hundred thirty thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 289 408 578 867 1156 1734 2312 3468 4913 6936 9826 14739 19652 29478 39304 58956 117912 195809 391618 587427 783236 1174854 1566472 2349708 3328753 4699416 6657506 9986259 13315012 19972518 26630024 39945036 56588801 79890072 113177602 169766403 226355204 339532806 452710408 679065612 962009617 1358131224 1924019234 2886028851 3848038468 5772057702 7696076936 11544115404 23088230808