23442849 has 12 divisors (see below), whose sum is σ = 34417812. Its totient is φ = 15372000.

The previous prime is 23442841. The next prime is 23442877. The reversal of 23442849 is 94824432.

It can be written as a sum of positive squares in 2 ways, for example, as 10890000 + 12552849 = 3300^2 + 3543^2 .

It is not a de Polignac number, because 23442849 - 2³ = 23442841 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23442841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20802 + ... + 21899.

It is an arithmetic number, because the mean of its divisors is an integer number (2868151).

Almost surely, 2^23442849 is an apocalyptic number.

It is an amenable number.

23442849 is a deficient number, since it is larger than the sum of its proper divisors (10974963).

23442849 is a wasteful number, since it uses less digits than its factorization.

23442849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42768 (or 42765 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 23442849 is about 4841.7815935872. The cubic root of 23442849 is about 286.2003299209.

The spelling of 23442849 in words is "twenty-three million, four hundred forty-two thousand, eight hundred forty-nine".