23490988 has 12 divisors (see below), whose sum is σ = 41158152. Its totient is φ = 11731520.

The previous prime is 23490959. The next prime is 23490997. The reversal of 23490988 is 88909432.

It is a happy number.

It is a super-2 number, since 2×23490988² = 1103653034432288, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 903 + ... + 6913.

It is an arithmetic number, because the mean of its divisors is an integer number (3429846).

Almost surely, 2^23490988 is an apocalyptic number.

It is an amenable number.

23490988 is a deficient number, since it is larger than the sum of its proper divisors (17667164).

23490988 is a wasteful number, since it uses less digits than its factorization.

23490988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6992 (or 6990 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 23490988 is about 4846.7502514572. The cubic root of 23490988 is about 286.3960964846.

The spelling of 23490988 in words is "twenty-three million, four hundred ninety thousand, nine hundred eighty-eight".