23309372 has 6 divisors (see below), whose sum is σ = 40791408. Its totient is φ = 11654684.

The previous prime is 23309369. The next prime is 23309383. The reversal of 23309372 is 27390332.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2913668 + ... + 2913675.

It is an arithmetic number, because the mean of its divisors is an integer number (6798568).

Almost surely, 2^23309372 is an apocalyptic number.

It is an amenable number.

23309372 is a deficient number, since it is larger than the sum of its proper divisors (17482036).

23309372 is a wasteful number, since it uses less digits than its factorization.

23309372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5827347 (or 5827345 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 29.

The square root of 23309372 is about 4827.9780446891. The cubic root of 23309372 is about 285.6561143000.

The spelling of 23309372 in words is "twenty-three million, three hundred nine thousand, three hundred seventy-two".