23003025156 has 36 divisors (see below), whose sum is σ = 60151591500. Its totient is φ = 7403272128.

The previous prime is 23003025103. The next prime is 23003025169. The reversal of 23003025156 is 65152030032.

23003025156 is a `hidden beast` number, since 2 + 300 + 302 + 5 + 1 + 56 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 17163620100 + 5839405056 = 131010^2 + 76416^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11015731 + ... + 11017818.

Almost surely, 2^23003025156 is an apocalyptic number.

It is an amenable number.

23003025156 is an abundant number, since it is smaller than the sum of its proper divisors (37148566344).

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

23003025156 is a wasteful number, since it uses less digits than its factorization.

23003025156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22033588 (or 22033583 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 23003025156 its reverse (65152030032), we get a palindrome (88155055188).

The spelling of 23003025156 in words is "twenty-three billion, three million, twenty-five thousand, one hundred fifty-six".