23515425300 has 144 divisors (see below), whose sum is σ = 68947587072. Its totient is φ = 6187401600.

The previous prime is 23515425281. The next prime is 23515425313. The reversal of 23515425300 is 352451532.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9608677 + ... + 9611123.

It is an arithmetic number, because the mean of its divisors is an integer number (478802688).

Almost surely, 2^23515425300 is an apocalyptic number.

23515425300 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 23515425300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34473793536).

23515425300 is an abundant number, since it is smaller than the sum of its proper divisors (45432161772).

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

23515425300 is a wasteful number, since it uses less digits than its factorization.

23515425300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2878 (or 2871 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 23515425300 its reverse (352451532), we get a palindrome (23867876832).

The spelling of 23515425300 in words is "twenty-three billion, five hundred fifteen million, four hundred twenty-five thousand, three hundred".