23978901 has 8 divisors (see below), whose sum is σ = 32422464. Its totient is φ = 15760640.

The previous prime is 23978881. The next prime is 23978909. The reversal of 23978901 is 10987932.

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

It is a cyclic number.

It is not a de Polignac number, because 23978901 - 2⁵ = 23978869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23978901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23978909) 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, 56076 + ... + 56501.

It is an arithmetic number, because the mean of its divisors is an integer number (4052808).

Almost surely, 2^23978901 is an apocalyptic number.

It is an amenable number.

23978901 is a deficient number, since it is larger than the sum of its proper divisors (8443563).

23978901 is a wasteful number, since it uses less digits than its factorization.

23978901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112651.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 23978901 is about 4896.8256044095. The cubic root of 23978901 is about 288.3653614356.

The spelling of 23978901 in words is "twenty-three million, nine hundred seventy-eight thousand, nine hundred one".