23115114500 has 48 divisors (see below), whose sum is σ = 50700332592. Its totient is φ = 9206316800.

The previous prime is 23115114499. The next prime is 23115114541. The reversal of 23115114500 is 541151132.

It can be written as a sum of positive squares in 8 ways, for example, as 12874079296 + 10241035204 = 113464^2 + 101198^2 .

It is a super-2 number, since 2×23115114500² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17294 + ... + 215706.

It is an arithmetic number, because the mean of its divisors is an integer number (1056256929).

Almost surely, 2^23115114500 is an apocalyptic number.

23115114500 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 23115114500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25350166296).

23115114500 is an abundant number, since it is smaller than the sum of its proper divisors (27585218092).

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

23115114500 is a wasteful number, since it uses less digits than its factorization.

23115114500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198665 (or 198653 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 23115114500 its reverse (541151132), we get a palindrome (23656265632).

The spelling of 23115114500 in words is "twenty-three billion, one hundred fifteen million, one hundred fourteen thousand, five hundred".