23991332 has 12 divisors (see below), whose sum is σ = 42031836. Its totient is φ = 11982240.

The previous prime is 23991329. The next prime is 23991343. The reversal of 23991332 is 23319932.

It can be written as a sum of positive squares in 2 ways, for example, as 17355556 + 6635776 = 4166^2 + 2576^2 .

It is a super-2 number, since 2×23991332² = 1151168022268448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1418 + ... + 7070.

It is an arithmetic number, because the mean of its divisors is an integer number (3502653).

Almost surely, 2^23991332 is an apocalyptic number.

It is an amenable number.

23991332 is a deficient number, since it is larger than the sum of its proper divisors (18040504).

23991332 is a wasteful number, since it uses less digits than its factorization.

23991332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6718 (or 6716 counting only the distinct ones).

The product of its digits is 8748, while the sum is 32.

The square root of 23991332 is about 4898.0947316278. The cubic root of 23991332 is about 288.4151837153.

The spelling of 23991332 in words is "twenty-three million, nine hundred ninety-one thousand, three hundred thirty-two".