23119131 has 12 divisors (see below), whose sum is σ = 35858472. Its totient is φ = 13210848.

The previous prime is 23119123. The next prime is 23119139. The reversal of 23119131 is 13191132.

It is an interprime number because it is at equal distance from previous prime (23119123) and next prime (23119139).

It is not a de Polignac number, because 23119131 - 2³ = 23119123 is a prime.

It is a super-2 number, since 2×23119131² = 1068988436390322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 23119098 and 23119107.

It is not an unprimeable number, because it can be changed into a prime (23119139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78490 + ... + 78783.

It is an arithmetic number, because the mean of its divisors is an integer number (2988206).

Almost surely, 2^23119131 is an apocalyptic number.

23119131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23119131 is a deficient number, since it is larger than the sum of its proper divisors (12739341).

23119131 is a wasteful number, since it uses less digits than its factorization.

23119131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157290 (or 157283 counting only the distinct ones).

The product of its digits is 162, while the sum is 21.

The square root of 23119131 is about 4808.2357471322. The cubic root of 23119131 is about 284.8768566180.

The spelling of 23119131 in words is "twenty-three million, one hundred nineteen thousand, one hundred thirty-one".