23321001121 has 4 divisors (see below), whose sum is σ = 25441092144. Its totient is φ = 21200910100.

The previous prime is 23321001113. The next prime is 23321001131. The reversal of 23321001121 is 12110012332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23321001121 - 2³ = 23321001113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23321001095 and 23321001104.

It is not an unprimeable number, because it can be changed into a prime (23321001131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1060045495 + ... + 1060045516.

It is an arithmetic number, because the mean of its divisors is an integer number (6360273036).

Almost surely, 2^23321001121 is an apocalyptic number.

It is an amenable number.

23321001121 is a deficient number, since it is larger than the sum of its proper divisors (2120091023).

23321001121 is a wasteful number, since it uses less digits than its factorization.

23321001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120091022.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 23321001121 its reverse (12110012332), we get a palindrome (35431013453).

The spelling of 23321001121 in words is "twenty-three billion, three hundred twenty-one million, one thousand, one hundred twenty-one".