23312604647 has 2 divisors, whose sum is σ = 23312604648. Its totient is φ = 23312604646.

The previous prime is 23312604613. The next prime is 23312604649. The reversal of 23312604647 is 74640621332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23312604647 - 2⁸ = 23312604391 is a prime.

Together with 23312604649, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23312604647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23312604649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11656302323 + 11656302324.

It is an arithmetic number, because the mean of its divisors is an integer number (11656302324).

Almost surely, 2^23312604647 is an apocalyptic number.

23312604647 is a deficient number, since it is larger than the sum of its proper divisors (1).

23312604647 is an equidigital number, since it uses as much as digits as its factorization.

23312604647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 38.

The spelling of 23312604647 in words is "twenty-three billion, three hundred twelve million, six hundred four thousand, six hundred forty-seven".