23215300537 has 32 divisors (see below), whose sum is σ = 28768158720. Its totient is φ = 18418259520.

The previous prime is 23215300523. The next prime is 23215300547. The reversal of 23215300537 is 73500351232.

It is not a de Polignac number, because 23215300537 - 2¹⁵ = 23215267769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23215300499 and 23215300508.

It is not an unprimeable number, because it can be changed into a prime (23215300547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1358158 + ... + 1375144.

It is an arithmetic number, because the mean of its divisors is an integer number (899004960).

Almost surely, 2^23215300537 is an apocalyptic number.

It is an amenable number.

23215300537 is a deficient number, since it is larger than the sum of its proper divisors (5552858183).

23215300537 is a wasteful number, since it uses less digits than its factorization.

23215300537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17533.

The product of its (nonzero) digits is 18900, while the sum is 31.

Adding to 23215300537 its reverse (73500351232), we get a palindrome (96715651769).

The spelling of 23215300537 in words is "twenty-three billion, two hundred fifteen million, three hundred thousand, five hundred thirty-seven".