23192131 has 4 divisors (see below), whose sum is σ = 24556392. Its totient is φ = 21827872.

The previous prime is 23192089. The next prime is 23192137. The reversal of 23192131 is 13129132.

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 23192131 - 2¹⁵ = 23159363 is a prime.

It is a super-2 number, since 2×23192131² = 1075749880642322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23192137) 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 3 ways as a sum of consecutive naturals, for example, 682105 + ... + 682138.

It is an arithmetic number, because the mean of its divisors is an integer number (6139098).

Almost surely, 2^23192131 is an apocalyptic number.

23192131 is a deficient number, since it is larger than the sum of its proper divisors (1364261).

23192131 is a wasteful number, since it uses less digits than its factorization.

23192131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364260.

The product of its digits is 324, while the sum is 22.

The square root of 23192131 is about 4815.8209061384. The cubic root of 23192131 is about 285.1763799961.

The spelling of 23192131 in words is "twenty-three million, one hundred ninety-two thousand, one hundred thirty-one".