23253681 has 8 divisors (see below), whose sum is σ = 33823584. Its totient is φ = 14093120.

The previous prime is 23253661. The next prime is 23253719. The reversal of 23253681 is 18635232.

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 23253681 - 2⁷ = 23253553 is a prime.

It is a super-2 number, since 2×23253681² = 1081467360099522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23253631) 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, 352296 + ... + 352361.

It is an arithmetic number, because the mean of its divisors is an integer number (4227948).

Almost surely, 2^23253681 is an apocalyptic number.

It is an amenable number.

23253681 is a deficient number, since it is larger than the sum of its proper divisors (10569903).

23253681 is a wasteful number, since it uses less digits than its factorization.

23253681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704671.

The product of its digits is 8640, while the sum is 30.

The square root of 23253681 is about 4822.2070673085. The cubic root of 23253681 is about 285.4284353350.

It can be divided in two parts, 2325 and 3681, that added together give a palindrome (6006).

The spelling of 23253681 in words is "twenty-three million, two hundred fifty-three thousand, six hundred eighty-one".