23281427160 has 128 divisors (see below), whose sum is σ = 77697792000. Its totient is φ = 6200938368.

The previous prime is 23281427159. The next prime is 23281427171. The reversal of 23281427160 is 6172418232.

It is a happy number.

23281427160 is a `hidden beast` number, since 2 + 328 + 1 + 4 + 271 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 919551 + ... + 944529.

It is an arithmetic number, because the mean of its divisors is an integer number (607014000).

Almost surely, 2^23281427160 is an apocalyptic number.

23281427160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23281427160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38848896000).

23281427160 is an abundant number, since it is smaller than the sum of its proper divisors (54416364840).

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

23281427160 is a wasteful number, since it uses less digits than its factorization.

23281427160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25862 (or 25852 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 23281427160 in words is "twenty-three billion, two hundred eighty-one million, four hundred twenty-seven thousand, one hundred sixty".