23011303321 has 2 divisors, whose sum is σ = 23011303322. Its totient is φ = 23011303320.

The previous prime is 23011303303. The next prime is 23011303331. The reversal of 23011303321 is 12330311032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18203406400 + 4807896921 = 134920^2 + 69339^2 .

It is a cyclic number.

It is not a de Polignac number, because 23011303321 - 2¹³ = 23011295129 is a prime.

It is not a weakly prime, because it can be changed into another prime (23011303331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11505651660 + 11505651661.

It is an arithmetic number, because the mean of its divisors is an integer number (11505651661).

Almost surely, 2^23011303321 is an apocalyptic number.

It is an amenable number.

23011303321 is a deficient number, since it is larger than the sum of its proper divisors (1).

23011303321 is an equidigital number, since it uses as much as digits as its factorization.

23011303321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 23011303321 its reverse (12330311032), we get a palindrome (35341614353).

The spelling of 23011303321 in words is "twenty-three billion, eleven million, three hundred three thousand, three hundred twenty-one".