23115402305204 has 24 divisors (see below), whose sum is σ = 44129541052128. Its totient is φ = 10506968511840.

The previous prime is 23115402305189. The next prime is 23115402305243. The reversal of 23115402305204 is 40250320451132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18955859 + ... + 20138405.

It is an arithmetic number, because the mean of its divisors is an integer number (1838730877172).

Almost surely, 2^{23115402305204} is an apocalyptic number.

It is an amenable number.

23115402305204 is a deficient number, since it is larger than the sum of its proper divisors (21014138746924).

23115402305204 is a wasteful number, since it uses less digits than its factorization.

23115402305204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626815 (or 1626813 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 23115402305204 its reverse (40250320451132), we get a palindrome (63365722756336).

The spelling of 23115402305204 in words is "twenty-three trillion, one hundred fifteen billion, four hundred two million, three hundred five thousand, two hundred four".