23514899856 has 160 divisors (see below), whose sum is σ = 70322165760. Its totient is φ = 6632091648.

The previous prime is 23514899831. The next prime is 23514899899. The reversal of 23514899856 is 65899841532.

It is a self number, because there is not a number n which added to its sum of digits gives 23514899856.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17827165 + ... + 17828483.

It is an arithmetic number, because the mean of its divisors is an integer number (439513536).

Almost surely, 2^23514899856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23514899856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35161082880).

23514899856 is an abundant number, since it is smaller than the sum of its proper divisors (46807265904).

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

23514899856 is a wasteful number, since it uses less digits than its factorization.

23514899856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981 (or 1975 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 60.

The spelling of 23514899856 in words is "twenty-three billion, five hundred fourteen million, eight hundred ninety-nine thousand, eight hundred fifty-six".