23042304440 has 16 divisors (see below), whose sum is σ = 51845185080. Its totient is φ = 9216921760.

The previous prime is 23042304419. The next prime is 23042304491. The reversal of 23042304440 is 4440324032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288028766 + ... + 288028845.

Almost surely, 2^23042304440 is an apocalyptic number.

23042304440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23042304440 is an abundant number, since it is smaller than the sum of its proper divisors (28802880640).

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

23042304440 is a wasteful number, since it uses less digits than its factorization.

23042304440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576057622 (or 576057618 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 23042304440 its reverse (4440324032), we get a palindrome (27482628472).

The spelling of 23042304440 in words is "twenty-three billion, forty-two million, three hundred four thousand, four hundred forty".