1015423056 has 240 divisors, whose sum is σ = 3149048448. Its totient is φ = 304128000.

The previous prime is 1015423037. The next prime is 1015423111. The reversal of 1015423056 is 6503245101.

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, 6724581 + ... + 6724731.

Almost surely, 2^1015423056 is an apocalyptic number.

1015423056 is a gapful number since it is divisible by the number (16) 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 1015423056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1574524224).

1015423056 is an abundant number, since it is smaller than the sum of its proper divisors (2133625392).

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

1015423056 is a wasteful number, since it uses less digits than its factorization.

1015423056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1015423056 is about 31865.7034442989. The cubic root of 1015423056 is about 1005.1148127538.

Adding to 1015423056 its reverse (6503245101), we get a palindrome (7518668157).

The spelling of 1015423056 in words is "one billion, fifteen million, four hundred twenty-three thousand, fifty-six".