131577913923 has 8 divisors (see below), whose sum is σ = 177174221136. Its totient is φ = 86850108000.

The previous prime is 131577913867. The next prime is 131577913927. The reversal of 131577913923 is 329319775131.

It is a happy number.

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

It is not a de Polignac number, because 131577913923 - 2¹³ = 131577905731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131577913927) 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, 217124968 + ... + 217125573.

It is an arithmetic number, because the mean of its divisors is an integer number (22146777642).

Almost surely, 2^131577913923 is an apocalyptic number.

131577913923 is a deficient number, since it is larger than the sum of its proper divisors (45596307213).

131577913923 is a wasteful number, since it uses less digits than its factorization.

131577913923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434250645.

The product of its digits is 1071630, while the sum is 51.

The spelling of 131577913923 in words is "one hundred thirty-one billion, five hundred seventy-seven million, nine hundred thirteen thousand, nine hundred twenty-three".