23658889413 has 4 divisors (see below), whose sum is σ = 31545185888. Its totient is φ = 15772592940.

The previous prime is 23658889361. The next prime is 23658889483. The reversal of 23658889413 is 31498885632.

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 not a de Polignac number, because 23658889413 - 2²⁰ = 23657840837 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 (23658889483) 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, 3943148233 + ... + 3943148238.

It is an arithmetic number, because the mean of its divisors is an integer number (7886296472).

Almost surely, 2^23658889413 is an apocalyptic number.

It is an amenable number.

23658889413 is a deficient number, since it is larger than the sum of its proper divisors (7886296475).

23658889413 is an equidigital number, since it uses as much as digits as its factorization.

23658889413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7886296474.

The product of its digits is 9953280, while the sum is 57.

The spelling of 23658889413 in words is "twenty-three billion, six hundred fifty-eight million, eight hundred eighty-nine thousand, four hundred thirteen".