23311330321 has 16 divisors (see below), whose sum is σ = 23756140800. Its totient is φ = 22871347200.

The previous prime is 23311330309. The next prime is 23311330373. The reversal of 23311330321 is 12303311332.

It is a cyclic number.

It is not a de Polignac number, because 23311330321 - 2¹⁹ = 23310806033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23311330292 and 23311330301.

It is not an unprimeable number, because it can be changed into a prime (23311360321) 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, 8772225 + ... + 8774881.

It is an arithmetic number, because the mean of its divisors is an integer number (1484758800).

Almost surely, 2^23311330321 is an apocalyptic number.

It is an amenable number.

23311330321 is a deficient number, since it is larger than the sum of its proper divisors (444810479).

23311330321 is a wasteful number, since it uses less digits than its factorization.

23311330321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3504.

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

Adding to 23311330321 its reverse (12303311332), we get a palindrome (35614641653).

The spelling of 23311330321 in words is "twenty-three billion, three hundred eleven million, three hundred thirty thousand, three hundred twenty-one".