23513112051 has 16 divisors (see below), whose sum is σ = 36831728640. Its totient is φ = 13154188320.

The previous prime is 23513112011. The next prime is 23513112067. The reversal of 23513112051 is 15021131532.

It is not a de Polignac number, because 23513112051 - 2¹⁵ = 23513079283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23513112011) 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, 27404131 + ... + 27404988.

It is an arithmetic number, because the mean of its divisors is an integer number (2301983040).

Almost surely, 2^23513112051 is an apocalyptic number.

23513112051 is a deficient number, since it is larger than the sum of its proper divisors (13318616589).

23513112051 is a wasteful number, since it uses less digits than its factorization.

23513112051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54809146.

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 23513112051 its reverse (15021131532), we get a palindrome (38534243583).

The spelling of 23513112051 in words is "twenty-three billion, five hundred thirteen million, one hundred twelve thousand, fifty-one".