23440001621424 has 80 divisors (see below), whose sum is σ = 61039302386400. Its totient is φ = 7750878066688.

The previous prime is 23440001621419. The next prime is 23440001621431. The reversal of 23440001621424 is 42412610004432.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 887139 + ... + 6904130.

It is an arithmetic number, because the mean of its divisors is an integer number (762991279830).

Almost surely, 2^{23440001621424} is an apocalyptic number.

23440001621424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23440001621424 is an abundant number, since it is smaller than the sum of its proper divisors (37599300764976).

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

23440001621424 is a wasteful number, since it uses less digits than its factorization.

23440001621424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7791782 (or 7791776 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 23440001621424 its reverse (42412610004432), we get a palindrome (65852611625856).

The spelling of 23440001621424 in words is "twenty-three trillion, four hundred forty billion, one million, six hundred twenty-one thousand, four hundred twenty-four".