23401808 has 10 divisors (see below), whose sum is σ = 45341034. Its totient is φ = 11700896.

The previous prime is 23401793. The next prime is 23401831. The reversal of 23401808 is 80810432.

It can be written as a sum of positive squares in only one way, i.e., 22165264 + 1236544 = 4708^2 + 1112^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 731291 + ... + 731322.

Almost surely, 2^23401808 is an apocalyptic number.

It is an amenable number.

23401808 is a deficient number, since it is larger than the sum of its proper divisors (21939226).

23401808 is a wasteful number, since it uses less digits than its factorization.

23401808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462621 (or 1462615 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 23401808 is about 4837.5415243696. The cubic root of 23401808 is about 286.0332170003.

The spelling of 23401808 in words is "twenty-three million, four hundred one thousand, eight hundred eight".