23626402173601 has 4 divisors (see below), whose sum is σ = 25016190536772. Its totient is φ = 22236613810432.

The previous prime is 23626402173593. The next prime is 23626402173607. The reversal of 23626402173601 is 10637120462632.

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 12029659824400 + 11596742349201 = 3468380^2 + 3405399^2 .

It is not a de Polignac number, because 23626402173601 - 2³ = 23626402173593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23626402173607) 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, 694894181560 + ... + 694894181593.

It is an arithmetic number, because the mean of its divisors is an integer number (6254047634193).

Almost surely, 2^{23626402173601} is an apocalyptic number.

It is an amenable number.

23626402173601 is a deficient number, since it is larger than the sum of its proper divisors (1389788363171).

23626402173601 is a wasteful number, since it uses less digits than its factorization.

23626402173601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389788363170.

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 23626402173601 in words is "twenty-three trillion, six hundred twenty-six billion, four hundred two million, one hundred seventy-three thousand, six hundred one".