23513411215 has 48 divisors (see below), whose sum is σ = 33699815424. Its totient is φ = 15696340800.

The previous prime is 23513411203. The next prime is 23513411261. The reversal of 23513411215 is 51211431532.

It is not a de Polignac number, because 23513411215 - 2²⁹ = 22976540303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2194020 + ... + 2204710.

It is an arithmetic number, because the mean of its divisors is an integer number (702079488).

Almost surely, 2^23513411215 is an apocalyptic number.

23513411215 is a deficient number, since it is larger than the sum of its proper divisors (10186404209).

23513411215 is a wasteful number, since it uses less digits than its factorization.

23513411215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10948 (or 10941 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

Adding to 23513411215 its reverse (51211431532), we get a palindrome (74724842747).

The spelling of 23513411215 in words is "twenty-three billion, five hundred thirteen million, four hundred eleven thousand, two hundred fifteen".