23323000321 has 2 divisors, whose sum is σ = 23323000322. Its totient is φ = 23323000320.

The previous prime is 23323000313. The next prime is 23323000331. The reversal of 23323000321 is 12300032332.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20467594225 + 2855406096 = 143065^2 + 53436^2 .

It is a cyclic number.

It is not a de Polignac number, because 23323000321 - 2³ = 23323000313 is a prime.

It is a super-2 number, since 2×23323000321² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23323000331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11661500160 + 11661500161.

It is an arithmetic number, because the mean of its divisors is an integer number (11661500161).

Almost surely, 2^23323000321 is an apocalyptic number.

It is an amenable number.

23323000321 is a deficient number, since it is larger than the sum of its proper divisors (1).

23323000321 is an equidigital number, since it uses as much as digits as its factorization.

23323000321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 23323000321 its reverse (12300032332), we get a palindrome (35623032653).

The spelling of 23323000321 in words is "twenty-three billion, three hundred twenty-three million, three hundred twenty-one", and thus it is an aban number.