23426705567 has 2 divisors, whose sum is σ = 23426705568. Its totient is φ = 23426705566.

The previous prime is 23426705563. The next prime is 23426705573. The reversal of 23426705567 is 76550762432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23426705567 - 2² = 23426705563 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23426705563) 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, 11713352783 + 11713352784.

It is an arithmetic number, because the mean of its divisors is an integer number (11713352784).

Almost surely, 2^23426705567 is an apocalyptic number.

23426705567 is a deficient number, since it is larger than the sum of its proper divisors (1).

23426705567 is an equidigital number, since it uses as much as digits as its factorization.

23426705567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2116800, while the sum is 47.

The spelling of 23426705567 in words is "twenty-three billion, four hundred twenty-six million, seven hundred five thousand, five hundred sixty-seven".