131407123 has 8 divisors (see below), whose sum is σ = 133106400. Its totient is φ = 129719040.

The previous prime is 131407117. The next prime is 131407139. The reversal of 131407123 is 321704131.

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

It is a cyclic number.

It is not a de Polignac number, because 131407123 - 2¹⁷ = 131276051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131407094 and 131407103.

It is not an unprimeable number, because it can be changed into a prime (131407153) 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, 22243 + ... + 27523.

It is an arithmetic number, because the mean of its divisors is an integer number (16638300).

Almost surely, 2^131407123 is an apocalyptic number.

131407123 is a deficient number, since it is larger than the sum of its proper divisors (1699277).

131407123 is a wasteful number, since it uses less digits than its factorization.

131407123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5597.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 131407123 is about 11463.2945962319. The cubic root of 131407123 is about 508.4008902301.

The spelling of 131407123 in words is "one hundred thirty-one million, four hundred seven thousand, one hundred twenty-three".