23913263285 has 4 divisors (see below), whose sum is σ = 28695915948. Its totient is φ = 19130610624.

The previous prime is 23913263251. The next prime is 23913263293. The reversal of 23913263285 is 58236231932.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14861072836 + 9052190449 = 121906^2 + 95143^2 .

It is a cyclic number.

It is not a de Polignac number, because 23913263285 - 2¹⁸ = 23913001141 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 3 ways as a sum of consecutive naturals, for example, 2391326324 + ... + 2391326333.

It is an arithmetic number, because the mean of its divisors is an integer number (7173978987).

Almost surely, 2^23913263285 is an apocalyptic number.

It is an amenable number.

23913263285 is a deficient number, since it is larger than the sum of its proper divisors (4782652663).

23913263285 is an equidigital number, since it uses as much as digits as its factorization.

23913263285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782652662.

The product of its digits is 466560, while the sum is 44.

The spelling of 23913263285 in words is "twenty-three billion, nine hundred thirteen million, two hundred sixty-three thousand, two hundred eighty-five".