2015423320 has 64 divisors (see below), whose sum is σ = 4600864800. Its totient is φ = 794480640.

The previous prime is 2015423317. The next prime is 2015423327. The reversal of 2015423320 is 233245102.

It is a junction number, because it is equal to n+sod(n) for n = 2015423291 and 2015423300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015423327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1042755 + ... + 1044685.

Almost surely, 2^2015423320 is an apocalyptic number.

2015423320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2015423320 is an abundant number, since it is smaller than the sum of its proper divisors (2585441480).

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

2015423320 is a wasteful number, since it uses less digits than its factorization.

2015423320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308 (or 2304 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2015423320 is about 44893.4663397693. The cubic root of 2015423320 is about 1263.1514543982.

Adding to 2015423320 its reverse (233245102), we get a palindrome (2248668422).

The spelling of 2015423320 in words is "two billion, fifteen million, four hundred twenty-three thousand, three hundred twenty".