23312033321 has 2 divisors, whose sum is σ = 23312033322. Its totient is φ = 23312033320.

The previous prime is 23312033279. The next prime is 23312033347. The reversal of 23312033321 is 12333021332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21603120400 + 1708912921 = 146980^2 + 41339^2 .

It is a cyclic number.

It is not a de Polignac number, because 23312033321 - 2¹⁸ = 23311771177 is a prime.

It is not a weakly prime, because it can be changed into another prime (23312033221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11656016660 + 11656016661.

It is an arithmetic number, because the mean of its divisors is an integer number (11656016661).

Almost surely, 2^23312033321 is an apocalyptic number.

It is an amenable number.

23312033321 is a deficient number, since it is larger than the sum of its proper divisors (1).

23312033321 is an equidigital number, since it uses as much as digits as its factorization.

23312033321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 23312033321 its reverse (12333021332), we get a palindrome (35645054653).

The spelling of 23312033321 in words is "twenty-three billion, three hundred twelve million, thirty-three thousand, three hundred twenty-one".