23162988 has 12 divisors (see below), whose sum is σ = 54047000. Its totient is φ = 7720992.

The previous prime is 23162941. The next prime is 23163013. The reversal of 23162988 is 88926132.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 965113 + ... + 965136.

Almost surely, 2^23162988 is an apocalyptic number.

It is an amenable number.

23162988 is an abundant number, since it is smaller than the sum of its proper divisors (30884012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23162988 is a wasteful number, since it uses less digits than its factorization.

23162988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930256 (or 1930254 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 23162988 is about 4812.7941987997. The cubic root of 23162988 is about 285.0568799984.

The spelling of 23162988 in words is "twenty-three million, one hundred sixty-two thousand, nine hundred eighty-eight".