23438449 has 16 divisors (see below), whose sum is σ = 25657344. Its totient is φ = 21344400.

The previous prime is 23438447. The next prime is 23438489. The reversal of 23438449 is 94483432.

It is a cyclic number.

It is not a de Polignac number, because 23438449 - 2¹ = 23438447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23438447) 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, 50392 + ... + 50854.

It is an arithmetic number, because the mean of its divisors is an integer number (1603584).

Almost surely, 2^23438449 is an apocalyptic number.

It is an amenable number.

23438449 is a deficient number, since it is larger than the sum of its proper divisors (2218895).

23438449 is a wasteful number, since it uses less digits than its factorization.

23438449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588.

The product of its digits is 82944, while the sum is 37.

The square root of 23438449 is about 4841.3271940657. The cubic root of 23438449 is about 286.1824231064.

It can be divided in two parts, 234 and 38449, that added together give a palindrome (38683).

The spelling of 23438449 in words is "twenty-three million, four hundred thirty-eight thousand, four hundred forty-nine".