23444406 has 24 divisors (see below), whose sum is σ = 53005680. Its totient is φ = 7474896.

The previous prime is 23444381. The next prime is 23444419. The reversal of 23444406 is 60444432.

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 23444406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27901 + ... + 28728.

It is an arithmetic number, because the mean of its divisors is an integer number (2208570).

Almost surely, 2^23444406 is an apocalyptic number.

23444406 is an abundant number, since it is smaller than the sum of its proper divisors (29561274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23444406 is a wasteful number, since it uses less digits than its factorization.

23444406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56660 (or 56657 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 23444406 is about 4841.9423788393. The cubic root of 23444406 is about 286.2066659547.

Adding to 23444406 its reverse (60444432), we get a palindrome (83888838).

The spelling of 23444406 in words is "twenty-three million, four hundred forty-four thousand, four hundred six".