23955656871 has 8 divisors (see below), whose sum is σ = 31942828800. Its totient is φ = 15969461432.

The previous prime is 23955656867. The next prime is 23955656873. The reversal of 23955656871 is 17865655932.

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 23955656871 - 2² = 23955656867 is a prime.

It is a super-2 number, since 2×23955656871² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23955656873) 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 in 7 ways as a sum of consecutive naturals, for example, 184821 + ... + 286478.

It is an arithmetic number, because the mean of its divisors is an integer number (3992853600).

Almost surely, 2^23955656871 is an apocalyptic number.

23955656871 is a deficient number, since it is larger than the sum of its proper divisors (7987171929).

23955656871 is a wasteful number, since it uses less digits than its factorization.

23955656871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488245.

The product of its digits is 13608000, while the sum is 57.

The spelling of 23955656871 in words is "twenty-three billion, nine hundred fifty-five million, six hundred fifty-six thousand, eight hundred seventy-one".