131823923 has 16 divisors (see below), whose sum is σ = 164941056. Its totient is φ = 102351840.

The previous prime is 131823917. The next prime is 131823943. The reversal of 131823923 is 329328131.

It is a cyclic number.

It is not a de Polignac number, because 131823923 - 2¹⁴ = 131807539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131823923.

It is not an unprimeable number, because it can be changed into a prime (131823943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19640 + ... + 25482.

It is an arithmetic number, because the mean of its divisors is an integer number (10308816).

Almost surely, 2^131823923 is an apocalyptic number.

131823923 is a deficient number, since it is larger than the sum of its proper divisors (33117133).

131823923 is a wasteful number, since it uses less digits than its factorization.

131823923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6154.

The product of its digits is 7776, while the sum is 32.

The square root of 131823923 is about 11481.4599681399. The cubic root of 131823923 is about 508.9378419625.

The spelling of 131823923 in words is "one hundred thirty-one million, eight hundred twenty-three thousand, nine hundred twenty-three".