23192109 has 32 divisors (see below), whose sum is σ = 35481600. Its totient is φ = 14966640.

The previous prime is 23192089. The next prime is 23192137. The reversal of 23192109 is 90129132.

It is not a de Polignac number, because 23192109 - 2⁵ = 23192077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23192159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176974 + ... + 177104.

It is an arithmetic number, because the mean of its divisors is an integer number (1108800).

Almost surely, 2^23192109 is an apocalyptic number.

It is an amenable number.

23192109 is a deficient number, since it is larger than the sum of its proper divisors (12289491).

23192109 is a wasteful number, since it uses less digits than its factorization.

23192109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 23192109 is about 4815.8186219998. The cubic root of 23192109 is about 285.1762898235.

The spelling of 23192109 in words is "twenty-three million, one hundred ninety-two thousand, one hundred nine".