23801972 has 12 divisors (see below), whose sum is σ = 44103780. Its totient is φ = 11200896.

The previous prime is 23801971. The next prime is 23802001. The reversal of 23801972 is 27910832.

It can be written as a sum of positive squares in 2 ways, for example, as 9709456 + 14092516 = 3116^2 + 3754^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23801971) 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, 174947 + ... + 175082.

It is an arithmetic number, because the mean of its divisors is an integer number (3675315).

Almost surely, 2^23801972 is an apocalyptic number.

It is an amenable number.

23801972 is a deficient number, since it is larger than the sum of its proper divisors (20301808).

23801972 is a wasteful number, since it uses less digits than its factorization.

23801972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350050 (or 350048 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 23801972 is about 4878.7264731690. The cubic root of 23801972 is about 287.6543725457.

The spelling of 23801972 in words is "twenty-three million, eight hundred one thousand, nine hundred seventy-two".