23402444 has 24 divisors (see below), whose sum is σ = 44382240. Its totient is φ = 10797072.

The previous prime is 23402437. The next prime is 23402447. The reversal of 23402444 is 44420432.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (23402447) 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 7 ways as a sum of consecutive naturals, for example, 7457 + ... + 10119.

It is an arithmetic number, because the mean of its divisors is an integer number (1849260).

Almost surely, 2^23402444 is an apocalyptic number.

It is an amenable number.

23402444 is a deficient number, since it is larger than the sum of its proper divisors (20979796).

23402444 is a wasteful number, since it uses less digits than its factorization.

23402444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706 (or 2678 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 23402444 is about 4837.6072597928. The cubic root of 23402444 is about 286.0358081887.

Adding to 23402444 its reverse (44420432), we get a palindrome (67822876).

The spelling of 23402444 in words is "twenty-three million, four hundred two thousand, four hundred forty-four".