23440422144 has 36 divisors (see below), whose sum is σ = 62385708896. Its totient is φ = 7813473792.

The previous prime is 23440422139. The next prime is 23440422163. The reversal of 23440422144 is 44122404432.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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, 15259924 + ... + 15261459.

Almost surely, 2^23440422144 is an apocalyptic number.

23440422144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23440422144 is an abundant number, since it is smaller than the sum of its proper divisors (38945286752).

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

23440422144 is an equidigital number, since it uses as much as digits as its factorization.

23440422144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30521402 (or 30521388 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 23440422144 its reverse (44122404432), we get a palindrome (67562826576).

The spelling of 23440422144 in words is "twenty-three billion, four hundred forty million, four hundred twenty-two thousand, one hundred forty-four".