23977118 has 12 divisors (see below), whose sum is σ = 39532920. Its totient is φ = 10898580.

The previous prime is 23977117. The next prime is 23977127. The reversal of 23977118 is 81177932.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23977111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49298 + ... + 49781.

It is an arithmetic number, because the mean of its divisors is an integer number (3294410).

Almost surely, 2^23977118 is an apocalyptic number.

23977118 is a deficient number, since it is larger than the sum of its proper divisors (15555802).

23977118 is a wasteful number, since it uses less digits than its factorization.

23977118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99103 (or 99092 counting only the distinct ones).

The product of its digits is 21168, while the sum is 38.

The square root of 23977118 is about 4896.6435443067. The cubic root of 23977118 is about 288.3582139273.

The spelling of 23977118 in words is "twenty-three million, nine hundred seventy-seven thousand, one hundred eighteen".