23956949556947 has 8 divisors (see below), whose sum is σ = 26135041200240. Its totient is φ = 21778889103360.

The previous prime is 23956949556893. The next prime is 23956949556959. The reversal of 23956949556947 is 74965594965932.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23956949556947 - 2³² = 23952654589651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23956949556247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6176738 + ... + 9277175.

It is an arithmetic number, because the mean of its divisors is an integer number (3266880150030).

Almost surely, 2^{23956949556947} is an apocalyptic number.

23956949556947 is a deficient number, since it is larger than the sum of its proper divisors (2178091643293).

23956949556947 is a wasteful number, since it uses less digits than its factorization.

23956949556947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15594853.

The product of its digits is 19840464000, while the sum is 83.

The spelling of 23956949556947 in words is "twenty-three trillion, nine hundred fifty-six billion, nine hundred forty-nine million, five hundred fifty-six thousand, nine hundred forty-seven".