23132336639 has 2 divisors, whose sum is σ = 23132336640. Its totient is φ = 23132336638.

The previous prime is 23132336627. The next prime is 23132336671. The reversal of 23132336639 is 93663323132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23132336639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23132336596 and 23132336605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23132336839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11566168319 + 11566168320.

It is an arithmetic number, because the mean of its divisors is an integer number (11566168320).

Almost surely, 2^23132336639 is an apocalyptic number.

23132336639 is a deficient number, since it is larger than the sum of its proper divisors (1).

23132336639 is an equidigital number, since it uses as much as digits as its factorization.

23132336639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 314928, while the sum is 41.

The spelling of 23132336639 in words is "twenty-three billion, one hundred thirty-two million, three hundred thirty-six thousand, six hundred thirty-nine".