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23033012400 = 243252311731193
BaseRepresentation
bin10101011100110111…
…111110000010110000
32012110012200021002100
4111130313332002300
5334132422344100
614325313220400
71443531242436
oct253467760260
965405607070
1023033012400
11984a598142
124569861700
132230b7a328
141187042d56
158ec181400
hex55cdfe0b0

23033012400 has 360 divisors, whose sum is σ = 83055862656. Its totient is φ = 5904691200.

The previous prime is 23033012399. The next prime is 23033012417. The reversal of 23033012400 is 421033032.

23033012400 is a `hidden beast` number, since 230 + 3 + 30 + 1 + 2 + 400 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 19306204 + ... + 19307396.

Almost surely, 223033012400 is an apocalyptic number.

23033012400 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 23033012400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41527931328).

23033012400 is an abundant number, since it is smaller than the sum of its proper divisors (60022850256).

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

23033012400 is a wasteful number, since it uses less digits than its factorization.

23033012400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421 (or 1407 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 23033012400 its reverse (421033032), we get a palindrome (23454045432).

The spelling of 23033012400 in words is "twenty-three billion, thirty-three million, twelve thousand, four hundred".