23978488 has 8 divisors (see below), whose sum is σ = 44959680. Its totient is φ = 11989240.

The previous prime is 23978459. The next prime is 23978491. The reversal of 23978488 is 88487932.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×23978488² = 1149935773532288, which contains 22 as substring.

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, 1498648 + ... + 1498663.

It is an arithmetic number, because the mean of its divisors is an integer number (5619960).

Almost surely, 2^23978488 is an apocalyptic number.

It is an amenable number.

23978488 is a deficient number, since it is larger than the sum of its proper divisors (20981192).

23978488 is a wasteful number, since it uses less digits than its factorization.

23978488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2997317 (or 2997313 counting only the distinct ones).

The product of its digits is 774144, while the sum is 49.

The square root of 23978488 is about 4896.7834340514. The cubic root of 23978488 is about 288.3637058749.

The spelling of 23978488 in words is "twenty-three million, nine hundred seventy-eight thousand, four hundred eighty-eight".