23715557312253 has 4 divisors (see below), whose sum is σ = 31620743083008. Its totient is φ = 15810371541500.

The previous prime is 23715557312137. The next prime is 23715557312263. The reversal of 23715557312253 is 35221375551732.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23715557312253 - 2¹⁸ = 23715557050109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23715557312196 and 23715557312205.

It is a congruent 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, 3952592885373 + ... + 3952592885378.

It is an arithmetic number, because the mean of its divisors is an integer number (7905185770752).

Almost surely, 2^{23715557312253} is an apocalyptic number.

It is an amenable number.

23715557312253 is a deficient number, since it is larger than the sum of its proper divisors (7905185770755).

23715557312253 is an equidigital number, since it uses as much as digits as its factorization.

23715557312253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7905185770754.

The product of its digits is 6615000, while the sum is 51.

The spelling of 23715557312253 in words is "twenty-three trillion, seven hundred fifteen billion, five hundred fifty-seven million, three hundred twelve thousand, two hundred fifty-three".