23512401 has 24 divisors (see below), whose sum is σ = 37202880. Its totient is φ = 14191200.

The previous prime is 23512397. The next prime is 23512403. The reversal of 23512401 is 10421532.

It is not a de Polignac number, because 23512401 - 2² = 23512397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23512403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43191 + ... + 43731.

It is an arithmetic number, because the mean of its divisors is an integer number (1550120).

Almost surely, 2^23512401 is an apocalyptic number.

It is an amenable number.

23512401 is a deficient number, since it is larger than the sum of its proper divisors (13690479).

23512401 is a wasteful number, since it uses less digits than its factorization.

23512401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997 (or 994 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 23512401 is about 4848.9587542069. The cubic root of 23512401 is about 286.4830906570.

Adding to 23512401 its reverse (10421532), we get a palindrome (33933933).

The spelling of 23512401 in words is "twenty-three million, five hundred twelve thousand, four hundred one".