23332133821 has 2 divisors, whose sum is σ = 23332133822. Its totient is φ = 23332133820.

The previous prime is 23332133789. The next prime is 23332133843. The reversal of 23332133821 is 12833123332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12782789721 + 10549344100 = 113061^2 + 102710^2 .

It is a cyclic number.

It is not a de Polignac number, because 23332133821 - 2⁵ = 23332133789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23332133861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11666066910 + 11666066911.

It is an arithmetic number, because the mean of its divisors is an integer number (11666066911).

Almost surely, 2^23332133821 is an apocalyptic number.

It is an amenable number.

23332133821 is a deficient number, since it is larger than the sum of its proper divisors (1).

23332133821 is an equidigital number, since it uses as much as digits as its factorization.

23332133821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 31.

The spelling of 23332133821 in words is "twenty-three billion, three hundred thirty-two million, one hundred thirty-three thousand, eight hundred twenty-one".