23119031 has 16 divisors (see below), whose sum is σ = 26560800. Its totient is φ = 20052864.

The previous prime is 23119013. The next prime is 23119049. The reversal of 23119031 is 13091132.

It is an interprime number because it is at equal distance from previous prime (23119013) and next prime (23119049).

It is not a de Polignac number, because 23119031 - 2⁶ = 23118967 is a prime.

It is a super-2 number, since 2×23119031² = 1068979188757922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23118994 and 23119012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23119051) 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, 37040 + ... + 37658.

It is an arithmetic number, because the mean of its divisors is an integer number (1660050).

Almost surely, 2^23119031 is an apocalyptic number.

23119031 is a deficient number, since it is larger than the sum of its proper divisors (3441769).

23119031 is an equidigital number, since it uses as much as digits as its factorization.

23119031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 23119031 is about 4808.2253482964. The cubic root of 23119031 is about 284.8764458799.

The spelling of 23119031 in words is "twenty-three million, one hundred nineteen thousand, thirty-one".