23956835447 has 2 divisors, whose sum is σ = 23956835448. Its totient is φ = 23956835446.

The previous prime is 23956835377. The next prime is 23956835449. The reversal of 23956835447 is 74453865932.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23956835447 - 2⁸ = 23956835191 is a prime.

Together with 23956835449, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23956835392 and 23956835401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23956835449) 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, 11978417723 + 11978417724.

It is an arithmetic number, because the mean of its divisors is an integer number (11978417724).

Almost surely, 2^23956835447 is an apocalyptic number.

23956835447 is a deficient number, since it is larger than the sum of its proper divisors (1).

23956835447 is an equidigital number, since it uses as much as digits as its factorization.

23956835447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21772800, while the sum is 56.

The spelling of 23956835447 in words is "twenty-three billion, nine hundred fifty-six million, eight hundred thirty-five thousand, four hundred forty-seven".