23715557312203 has 4 divisors (see below), whose sum is σ = 24480575290048. Its totient is φ = 22950539334360.

The previous prime is 23715557312137. The next prime is 23715557312263. The reversal of 23715557312203 is 30221375551732.

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 23715557312203 - 2²⁹ = 23715020441291 is a prime.

It is a super-2 number, since 2×23715557312203² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23715557312263) 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, 382508988876 + ... + 382508988937.

It is an arithmetic number, because the mean of its divisors is an integer number (6120143822512).

Almost surely, 2^{23715557312203} is an apocalyptic number.

23715557312203 is a deficient number, since it is larger than the sum of its proper divisors (765017977845).

23715557312203 is an equidigital number, since it uses as much as digits as its factorization.

23715557312203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765017977844.

The product of its (nonzero) digits is 1323000, while the sum is 46.

The spelling of 23715557312203 in words is "twenty-three trillion, seven hundred fifteen billion, five hundred fifty-seven million, three hundred twelve thousand, two hundred three".