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23256057000 = 233531119291279
BaseRepresentation
bin10101101010001010…
…110100010010101000
32020000202101002202110
4111222022310102220
5340112022311000
614403402002320
71452210136311
oct255212642250
966022332673
1023256057000
11995448a920
1246104a63a0
132268142797
1411a8903608
15911a3d850
hex56a2b44a8

23256057000 has 512 divisors, whose sum is σ = 86261760000. Its totient is φ = 5152896000.

The previous prime is 23256056969. The next prime is 23256057031. The reversal of 23256057000 is 75065232.

It is an interprime number because it is at equal distance from previous prime (23256056969) and next prime (23256057031).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 18182361 + ... + 18183639.

It is an arithmetic number, because the mean of its divisors is an integer number (168480000).

Almost surely, 223256057000 is an apocalyptic number.

23256057000 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 23256057000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43130880000).

23256057000 is an abundant number, since it is smaller than the sum of its proper divisors (63005703000).

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

23256057000 is a wasteful number, since it uses less digits than its factorization.

23256057000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362 (or 1348 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The spelling of 23256057000 in words is "twenty-three billion, two hundred fifty-six million, fifty-seven thousand".