23332312321 has 2 divisors, whose sum is σ = 23332312322. Its totient is φ = 23332312320.

The previous prime is 23332312301. The next prime is 23332312327. The reversal of 23332312321 is 12321323332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23076951921 + 255360400 = 151911^2 + 15980^2 .

It is a cyclic number.

It is not a de Polignac number, because 23332312321 - 2²³ = 23323923713 is a prime.

It is not a weakly prime, because it can be changed into another prime (23332312327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11666156160 + 11666156161.

It is an arithmetic number, because the mean of its divisors is an integer number (11666156161).

Almost surely, 2^23332312321 is an apocalyptic number.

It is an amenable number.

23332312321 is a deficient number, since it is larger than the sum of its proper divisors (1).

23332312321 is an equidigital number, since it uses as much as digits as its factorization.

23332312321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 25.

Adding to 23332312321 its reverse (12321323332), we get a palindrome (35653635653).

The spelling of 23332312321 in words is "twenty-three billion, three hundred thirty-two million, three hundred twelve thousand, three hundred twenty-one".