23889453 has 16 divisors (see below), whose sum is σ = 36948480. Its totient is φ = 13446576.

The previous prime is 23889449. The next prime is 23889461. The reversal of 23889453 is 35498832.

It is not a de Polignac number, because 23889453 - 2² = 23889449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23889953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7083 + ... + 9896.

It is an arithmetic number, because the mean of its divisors is an integer number (2309280).

Almost surely, 2^23889453 is an apocalyptic number.

It is an amenable number.

23889453 is a deficient number, since it is larger than the sum of its proper divisors (13059027).

23889453 is a wasteful number, since it uses less digits than its factorization.

23889453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17056.

The product of its digits is 207360, while the sum is 42.

The square root of 23889453 is about 4887.6838072854. The cubic root of 23889453 is about 288.0063535442.

It can be divided in two parts, 23889 and 453, that added together give a palindrome (24342).

The spelling of 23889453 in words is "twenty-three million, eight hundred eighty-nine thousand, four hundred fifty-three".