131183023 has 4 divisors (see below), whose sum is σ = 131210200. Its totient is φ = 131155848.

The previous prime is 131183021. The next prime is 131183029. The reversal of 131183023 is 320381131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131183023 - 2¹ = 131183021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131182985 and 131183003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131183021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4173 + ... + 16726.

It is an arithmetic number, because the mean of its divisors is an integer number (32802550).

Almost surely, 2^131183023 is an apocalyptic number.

131183023 is a deficient number, since it is larger than the sum of its proper divisors (27177).

131183023 is an equidigital number, since it uses as much as digits as its factorization.

131183023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27176.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 131183023 is about 11453.5157484503. The cubic root of 131183023 is about 508.1117190275. Note that the first 3 decimals are identical.

The spelling of 131183023 in words is "one hundred thirty-one million, one hundred eighty-three thousand, twenty-three".