23561456315 has 4 divisors (see below), whose sum is σ = 28273747584. Its totient is φ = 18849165048.

The previous prime is 23561456299. The next prime is 23561456351. The reversal of 23561456315 is 51365416532.

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 23561456315 - 2⁴ = 23561456299 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2356145627 + ... + 2356145636.

It is an arithmetic number, because the mean of its divisors is an integer number (7068436896).

Almost surely, 2^23561456315 is an apocalyptic number.

23561456315 is a deficient number, since it is larger than the sum of its proper divisors (4712291269).

23561456315 is an equidigital number, since it uses as much as digits as its factorization.

23561456315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4712291268.

The product of its digits is 324000, while the sum is 41.

The spelling of 23561456315 in words is "twenty-three billion, five hundred sixty-one million, four hundred fifty-six thousand, three hundred fifteen".