23981332 has 12 divisors (see below), whose sum is σ = 42124096. Its totient is φ = 11945880.

The previous prime is 23981329. The next prime is 23981359. The reversal of 23981332 is 23318932.

It is a junction number, because it is equal to n+sod(n) for n = 23981294 and 23981303.

It is a congruent number.

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, 9978 + ... + 12145.

Almost surely, 2^23981332 is an apocalyptic number.

It is an amenable number.

23981332 is a deficient number, since it is larger than the sum of its proper divisors (18142764).

23981332 is a wasteful number, since it uses less digits than its factorization.

23981332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22398 (or 22396 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 23981332 is about 4897.0738201502. The cubic root of 23981332 is about 288.3751060093.

The spelling of 23981332 in words is "twenty-three million, nine hundred eighty-one thousand, three hundred thirty-two".