15230323420 has 48 divisors (see below), whose sum is σ = 34958091168. Its totient is φ = 5539564800.

The previous prime is 15230323403. The next prime is 15230323457. The reversal of 15230323420 is 2432303251.

It is a congruent number.

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, 419731 + ... + 454570.

It is an arithmetic number, because the mean of its divisors is an integer number (728293566).

Almost surely, 2^15230323420 is an apocalyptic number.

15230323420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15230323420 is an abundant number, since it is smaller than the sum of its proper divisors (19727767748).

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

15230323420 is a wasteful number, since it uses less digits than its factorization.

15230323420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874390 (or 874388 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 15230323420 its reverse (2432303251), we get a palindrome (17662626671).

The spelling of 15230323420 in words is "fifteen billion, two hundred thirty million, three hundred twenty-three thousand, four hundred twenty".