23444320404 has 24 divisors (see below), whose sum is σ = 55735555680. Its totient is φ = 7667324704.

The previous prime is 23444320327. The next prime is 23444320411. The reversal of 23444320404 is 40402344432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18430434 + ... + 18431705.

It is an arithmetic number, because the mean of its divisors is an integer number (2322314820).

Almost surely, 2^23444320404 is an apocalyptic number.

It is an amenable number.

23444320404 is an abundant number, since it is smaller than the sum of its proper divisors (32291235276).

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

23444320404 is a wasteful number, since it uses less digits than its factorization.

23444320404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36862199 (or 36862197 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 23444320404 its reverse (40402344432), we get a palindrome (63846664836).

The spelling of 23444320404 in words is "twenty-three billion, four hundred forty-four million, three hundred twenty thousand, four hundred four".