23331303121 has 4 divisors (see below), whose sum is σ = 26664346432. Its totient is φ = 19998259812.

The previous prime is 23331303103. The next prime is 23331303131. The reversal of 23331303121 is 12130313332.

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 23331303121 - 2¹¹ = 23331301073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23331303092 and 23331303101.

It is not an unprimeable number, because it can be changed into a prime (23331303131) 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, 1666521645 + ... + 1666521658.

It is an arithmetic number, because the mean of its divisors is an integer number (6666086608).

Almost surely, 2^23331303121 is an apocalyptic number.

It is an amenable number.

23331303121 is a deficient number, since it is larger than the sum of its proper divisors (3333043311).

23331303121 is an equidigital number, since it uses as much as digits as its factorization.

23331303121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3333043310.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 23331303121 its reverse (12130313332), we get a palindrome (35461616453).

The spelling of 23331303121 in words is "twenty-three billion, three hundred thirty-one million, three hundred three thousand, one hundred twenty-one".