23323121330021 has 32 divisors (see below), whose sum is σ = 24132607672320. Its totient is φ = 22528893845376.

The previous prime is 23323121329961. The next prime is 23323121330029. The reversal of 23323121330021 is 12003312132332.

It is a cyclic number.

It is not a de Polignac number, because 23323121330021 - 2⁶ = 23323121329957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23323121330029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1130040620 + ... + 1130061258.

It is an arithmetic number, because the mean of its divisors is an integer number (754143989760).

Almost surely, 2^{23323121330021} is an apocalyptic number.

It is an amenable number.

23323121330021 is a deficient number, since it is larger than the sum of its proper divisors (809486342299).

23323121330021 is a wasteful number, since it uses less digits than its factorization.

23323121330021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21833.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 23323121330021 its reverse (12003312132332), we get a palindrome (35326433462353).

The spelling of 23323121330021 in words is "twenty-three trillion, three hundred twenty-three billion, one hundred twenty-one million, three hundred thirty thousand, twenty-one".