136304173923 has 8 divisors (see below), whose sum is σ = 182429922048. Its totient is φ = 90523937544.

The previous prime is 136304173919. The next prime is 136304173933. The reversal of 136304173923 is 329371403631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 136304173923 - 2² = 136304173919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136304173933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86377015 + ... + 86378592.

It is an arithmetic number, because the mean of its divisors is an integer number (22803740256).

Almost surely, 2^136304173923 is an apocalyptic number.

136304173923 is a deficient number, since it is larger than the sum of its proper divisors (46125748125).

136304173923 is a wasteful number, since it uses less digits than its factorization.

136304173923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172755873.

The product of its (nonzero) digits is 244944, while the sum is 42.

The spelling of 136304173923 in words is "one hundred thirty-six billion, three hundred four million, one hundred seventy-three thousand, nine hundred twenty-three".