23144424520 has 32 divisors (see below), whose sum is σ = 59514235200. Its totient is φ = 7935231168.

The previous prime is 23144424517. The next prime is 23144424629. The reversal of 23144424520 is 2542444132.

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, 41329050 + ... + 41329609.

It is an arithmetic number, because the mean of its divisors is an integer number (1859819850).

Almost surely, 2^23144424520 is an apocalyptic number.

23144424520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23144424520 is an abundant number, since it is smaller than the sum of its proper divisors (36369810680).

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

23144424520 is a wasteful number, since it uses less digits than its factorization.

23144424520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82658677 (or 82658673 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 23144424520 its reverse (2542444132), we get a palindrome (25686868652).

The spelling of 23144424520 in words is "twenty-three billion, one hundred forty-four million, four hundred twenty-four thousand, five hundred twenty".