23331273643 has 2 divisors, whose sum is σ = 23331273644. Its totient is φ = 23331273642.

The previous prime is 23331273601. The next prime is 23331273653. The reversal of 23331273643 is 34637213332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23331273643 - 2³³ = 14741339051 is a prime.

It is not a weakly prime, because it can be changed into another prime (23331273653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11665636821 + 11665636822.

It is an arithmetic number, because the mean of its divisors is an integer number (11665636822).

Almost surely, 2^23331273643 is an apocalyptic number.

23331273643 is a deficient number, since it is larger than the sum of its proper divisors (1).

23331273643 is an equidigital number, since it uses as much as digits as its factorization.

23331273643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 37.

Adding to 23331273643 its reverse (34637213332), we get a palindrome (57968486975).

The spelling of 23331273643 in words is "twenty-three billion, three hundred thirty-one million, two hundred seventy-three thousand, six hundred forty-three".