23162638 has 8 divisors (see below), whose sum is σ = 35552088. Its totient is φ = 11311944.

The previous prime is 23162621. The next prime is 23162651. The reversal of 23162638 is 83626132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 134581 + ... + 134752.

It is an arithmetic number, because the mean of its divisors is an integer number (4444011).

Almost surely, 2^23162638 is an apocalyptic number.

23162638 is a deficient number, since it is larger than the sum of its proper divisors (12389450).

23162638 is a wasteful number, since it uses less digits than its factorization.

23162638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269378.

The product of its digits is 10368, while the sum is 31.

The square root of 23162638 is about 4812.7578372488. The cubic root of 23162638 is about 285.0554442249.

The spelling of 23162638 in words is "twenty-three million, one hundred sixty-two thousand, six hundred thirty-eight".