23965449 has 16 divisors (see below), whose sum is σ = 33116160. Its totient is φ = 15400080.

The previous prime is 23965433. The next prime is 23965451. The reversal of 23965449 is 94456932.

It is not a de Polignac number, because 23965449 - 2⁴ = 23965433 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23965449.

It is not an unprimeable number, because it can be changed into a prime (23965549) 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, 40534 + ... + 41120.

It is an arithmetic number, because the mean of its divisors is an integer number (2069760).

Almost surely, 2^23965449 is an apocalyptic number.

It is an amenable number.

23965449 is a deficient number, since it is larger than the sum of its proper divisors (9150711).

23965449 is a wasteful number, since it uses less digits than its factorization.

23965449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060.

The product of its digits is 233280, while the sum is 42.

The square root of 23965449 is about 4895.4518688268. The cubic root of 23965449 is about 288.3114276815.

The spelling of 23965449 in words is "twenty-three million, nine hundred sixty-five thousand, four hundred forty-nine".