23573978 has 8 divisors (see below), whose sum is σ = 36113472. Its totient is φ = 11536156.

The previous prime is 23573971. The next prime is 23573987. The reversal of 23573978 is 87937532.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23573971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125300 + ... + 125487.

It is an arithmetic number, because the mean of its divisors is an integer number (4514184).

Almost surely, 2^23573978 is an apocalyptic number.

23573978 is a deficient number, since it is larger than the sum of its proper divisors (12539494).

23573978 is a wasteful number, since it uses less digits than its factorization.

23573978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250836.

The product of its digits is 317520, while the sum is 44.

The square root of 23573978 is about 4855.3041099400. The cubic root of 23573978 is about 286.7329643548.

The spelling of 23573978 in words is "twenty-three million, five hundred seventy-three thousand, nine hundred seventy-eight".