23021113330321 has 8 divisors (see below), whose sum is σ = 23890070842920. Its totient is φ = 22157164219008.

The previous prime is 23021113330301. The next prime is 23021113330373. The reversal of 23021113330321 is 12303331112032.

It can be written as a sum of positive squares in 4 ways, for example, as 2607704995921 + 20413408334400 = 1614839^2 + 4518120^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23021113330321 - 2²³ = 23021104941713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23021113330301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1252090956 + ... + 1252109341.

It is an arithmetic number, because the mean of its divisors is an integer number (2986258855365).

Almost surely, 2^{23021113330321} is an apocalyptic number.

It is an amenable number.

23021113330321 is a deficient number, since it is larger than the sum of its proper divisors (868957512599).

23021113330321 is a wasteful number, since it uses less digits than its factorization.

23021113330321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504200643.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 23021113330321 its reverse (12303331112032), we get a palindrome (35324444442353).

The spelling of 23021113330321 in words is "twenty-three trillion, twenty-one billion, one hundred thirteen million, three hundred thirty thousand, three hundred twenty-one".