23323014821 has 2 divisors, whose sum is σ = 23323014822. Its totient is φ = 23323014820.

The previous prime is 23323014809. The next prime is 23323014823. The reversal of 23323014821 is 12841032332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11834176225 + 11488838596 = 108785^2 + 107186^2 .

It is a cyclic number.

It is not a de Polignac number, because 23323014821 - 2²⁶ = 23255905957 is a prime.

Together with 23323014823, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23323014823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11661507410 + 11661507411.

It is an arithmetic number, because the mean of its divisors is an integer number (11661507411).

Almost surely, 2^23323014821 is an apocalyptic number.

It is an amenable number.

23323014821 is a deficient number, since it is larger than the sum of its proper divisors (1).

23323014821 is an equidigital number, since it uses as much as digits as its factorization.

23323014821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 23323014821 in words is "twenty-three billion, three hundred twenty-three million, fourteen thousand, eight hundred twenty-one".