23438849 has 4 divisors (see below), whose sum is σ = 26787264. Its totient is φ = 20090436.

The previous prime is 23438843. The next prime is 23438887. The reversal of 23438849 is 94883432.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23438849 - 2²⁰ = 22390273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23438843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1674197 + ... + 1674210.

It is an arithmetic number, because the mean of its divisors is an integer number (6696816).

Almost surely, 2^23438849 is an apocalyptic number.

It is an amenable number.

23438849 is a deficient number, since it is larger than the sum of its proper divisors (3348415).

23438849 is an equidigital number, since it uses as much as digits as its factorization.

23438849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348414.

The product of its digits is 165888, while the sum is 41.

The square root of 23438849 is about 4841.3685048755. The cubic root of 23438849 is about 286.1840510913.

The spelling of 23438849 in words is "twenty-three million, four hundred thirty-eight thousand, eight hundred forty-nine".