23192661 has 4 divisors (see below), whose sum is σ = 30923552. Its totient is φ = 15461772.

The previous prime is 23192657. The next prime is 23192683. The reversal of 23192661 is 16629132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23192661 - 2² = 23192657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23192461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3865441 + ... + 3865446.

It is an arithmetic number, because the mean of its divisors is an integer number (7730888).

Almost surely, 2^23192661 is an apocalyptic number.

It is an amenable number.

23192661 is a deficient number, since it is larger than the sum of its proper divisors (7730891).

23192661 is an equidigital number, since it uses as much as digits as its factorization.

23192661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7730890.

The product of its digits is 3888, while the sum is 30.

The square root of 23192661 is about 4815.8759327873. The cubic root of 23192661 is about 285.1785523181.

The spelling of 23192661 in words is "twenty-three million, one hundred ninety-two thousand, six hundred sixty-one".