23153349888 has 108 divisors (see below), whose sum is σ = 67418451828. Its totient is φ = 7641292800.

The previous prime is 23153349883. The next prime is 23153349953. The reversal of 23153349888 is 88894335132.

23153349888 is a `hidden beast` number, since 23 + 1 + 53 + 3 + 498 + 88 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18727375104 + 4425974784 = 136848^2 + 66528^2 .

It is a super-2 number, since 2×23153349888² (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 (23153349883) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182956 + ... + 282452.

Almost surely, 2^23153349888 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 23153349888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33709225914).

23153349888 is an abundant number, since it is smaller than the sum of its proper divisors (44265101940).

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

23153349888 is a wasteful number, since it uses less digits than its factorization.

23153349888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99620 (or 99603 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The spelling of 23153349888 in words is "twenty-three billion, one hundred fifty-three million, three hundred forty-nine thousand, eight hundred eighty-eight".