23895978 has 16 divisors (see below), whose sum is σ = 49334016. Its totient is φ = 7708320.

The previous prime is 23895929. The next prime is 23895979. The reversal of 23895978 is 87959832.

It is a self number, because there is not a number n which added to its sum of digits gives 23895978.

It is not an unprimeable number, because it can be changed into a prime (23895979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64051 + ... + 64422.

It is an arithmetic number, because the mean of its divisors is an integer number (3083376).

Almost surely, 2^23895978 is an apocalyptic number.

23895978 is an abundant number, since it is smaller than the sum of its proper divisors (25438038).

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

23895978 is a wasteful number, since it uses less digits than its factorization.

23895978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128509.

The product of its digits is 1088640, while the sum is 51.

The square root of 23895978 is about 4888.3512557917. The cubic root of 23895978 is about 288.0325725119.

The spelling of 23895978 in words is "twenty-three million, eight hundred ninety-five thousand, nine hundred seventy-eight".