23956550778 has 8 divisors (see below), whose sum is σ = 47913101568. Its totient is φ = 7985516924.

The previous prime is 23956550777. The next prime is 23956550819. The reversal of 23956550778 is 87705565932.

It is a happy number.

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

23956550778 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (23956550777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1996379226 + ... + 1996379237.

It is an arithmetic number, because the mean of its divisors is an integer number (5989137696).

Almost surely, 2^23956550778 is an apocalyptic number.

23956550778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23956550778 is a wasteful number, since it uses less digits than its factorization.

23956550778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3992758468.

The product of its (nonzero) digits is 15876000, while the sum is 57.

The spelling of 23956550778 in words is "twenty-three billion, nine hundred fifty-six million, five hundred fifty thousand, seven hundred seventy-eight".