131504023 has 8 divisors (see below), whose sum is σ = 150388640. Its totient is φ = 112644000.

The previous prime is 131504017. The next prime is 131504029. The reversal of 131504023 is 320405131.

It is an interprime number because it is at equal distance from previous prime (131504017) and next prime (131504029).

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

It is not a de Polignac number, because 131504023 - 2⁵ = 131503991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131504029) 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, 7273 + ... + 17773.

It is an arithmetic number, because the mean of its divisors is an integer number (18798580).

Almost surely, 2^131504023 is an apocalyptic number.

131504023 is a deficient number, since it is larger than the sum of its proper divisors (18884617).

131504023 is a wasteful number, since it uses less digits than its factorization.

131504023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12297.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 131504023 is about 11467.5203509739. The cubic root of 131504023 is about 508.5258249646.

Adding to 131504023 its reverse (320405131), we get a palindrome (451909154).

The spelling of 131504023 in words is "one hundred thirty-one million, five hundred four thousand, twenty-three".