23115530250 has 256 divisors, whose sum is σ = 66718080000. Its totient is φ = 5915750400.

The previous prime is 23115530213. The next prime is 23115530299. The reversal of 23115530250 is 5203551132.

It is a happy number.

23115530250 is a `hidden beast` number, since 231 + 155 + 30 + 250 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 51482026 + ... + 51482474.

It is an arithmetic number, because the mean of its divisors is an integer number (260617500).

Almost surely, 2^23115530250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23115530250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33359040000).

23115530250 is an abundant number, since it is smaller than the sum of its proper divisors (43602549750).

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

23115530250 is a wasteful number, since it uses less digits than its factorization.

23115530250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767 (or 751 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The spelling of 23115530250 in words is "twenty-three billion, one hundred fifteen million, five hundred thirty thousand, two hundred fifty".