23115053340 has 144 divisors (see below), whose sum is σ = 75967059168. Its totient is φ = 5666476032.

The previous prime is 23115053317. The next prime is 23115053363. The reversal of 23115053340 is 4335051132.

23115053340 is a `hidden beast` number, since 2 + 311 + 5 + 0 + 5 + 3 + 340 = 666.

It is an interprime number because it is at equal distance from previous prime (23115053317) and next prime (23115053363).

It is a super-2 number, since 2×23115053340² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 43744 + ... + 219416.

It is an arithmetic number, because the mean of its divisors is an integer number (527549022).

Almost surely, 2^23115053340 is an apocalyptic number.

23115053340 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 23115053340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37983529584).

23115053340 is an abundant number, since it is smaller than the sum of its proper divisors (52852005828).

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

23115053340 is a wasteful number, since it uses less digits than its factorization.

23115053340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175748 (or 175743 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The spelling of 23115053340 in words is "twenty-three billion, one hundred fifteen million, fifty-three thousand, three hundred forty".