21323425202024 has 64 divisors (see below), whose sum is σ = 43665097524480. Its totient is φ = 9681580384000.

The previous prime is 21323425201999. The next prime is 21323425202029. The reversal of 21323425202024 is 42020252432312.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (21323425202029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 614437457 + ... + 614472159.

It is an arithmetic number, because the mean of its divisors is an integer number (682267148820).

Almost surely, 2^{21323425202024} is an apocalyptic number.

It is an amenable number.

21323425202024 is an abundant number, since it is smaller than the sum of its proper divisors (22341672322456).

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

21323425202024 is a wasteful number, since it uses less digits than its factorization.

21323425202024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42362 (or 42358 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 21323425202024 its reverse (42020252432312), we get a palindrome (63343677634336).

The spelling of 21323425202024 in words is "twenty-one trillion, three hundred twenty-three billion, four hundred twenty-five million, two hundred two thousand, twenty-four".