23152515311 has 4 divisors (see below), whose sum is σ = 23249388000. Its totient is φ = 23055642624.

The previous prime is 23152515307. The next prime is 23152515361. The reversal of 23152515311 is 11351525132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23152515311 - 2² = 23152515307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23152515361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48435986 + ... + 48436463.

It is an arithmetic number, because the mean of its divisors is an integer number (5812347000).

Almost surely, 2^23152515311 is an apocalyptic number.

23152515311 is a deficient number, since it is larger than the sum of its proper divisors (96872689).

23152515311 is an equidigital number, since it uses as much as digits as its factorization.

23152515311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96872688.

The product of its digits is 4500, while the sum is 29.

The spelling of 23152515311 in words is "twenty-three billion, one hundred fifty-two million, five hundred fifteen thousand, three hundred eleven".