23191948 has 24 divisors (see below), whose sum is σ = 43838928. Its totient is φ = 10671936.

The previous prime is 23191907. The next prime is 23191957. The reversal of 23191948 is 84919132.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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 7 ways as a sum of consecutive naturals, for example, 33615 + ... + 34297.

It is an arithmetic number, because the mean of its divisors is an integer number (1826622).

Almost surely, 2^23191948 is an apocalyptic number.

It is an amenable number.

23191948 is a deficient number, since it is larger than the sum of its proper divisors (20646980).

23191948 is a wasteful number, since it uses less digits than its factorization.

23191948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353 (or 1351 counting only the distinct ones).

The product of its digits is 15552, while the sum is 37.

The square root of 23191948 is about 4815.8019062250. The cubic root of 23191948 is about 285.1756299225.

The spelling of 23191948 in words is "twenty-three million, one hundred ninety-one thousand, nine hundred forty-eight".