15230021300 has 36 divisors (see below), whose sum is σ = 35591391276. Its totient is φ = 5623392000.

The previous prime is 15230021293. The next prime is 15230021357. The reversal of 15230021300 is 312003251.

It can be written as a sum of positive squares in 6 ways, for example, as 2119313296 + 13110708004 = 46036^2 + 114502^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5856401 + ... + 5859000.

Almost surely, 2^15230021300 is an apocalyptic number.

15230021300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15230021300 is an abundant number, since it is smaller than the sum of its proper divisors (20361369976).

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

15230021300 is a wasteful number, since it uses less digits than its factorization.

15230021300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11715428 (or 11715421 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 15230021300 its reverse (312003251), we get a palindrome (15542024551).

The spelling of 15230021300 in words is "fifteen billion, two hundred thirty million, twenty-one thousand, three hundred".