2556155323 has 8 divisors (see below), whose sum is σ = 2715767280. Its totient is φ = 2401308000.

The previous prime is 2556155321. The next prime is 2556155341. The reversal of 2556155323 is 3235516552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2556155323 - 2¹ = 2556155321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2556155321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1190053 + ... + 1192198.

It is an arithmetic number, because the mean of its divisors is an integer number (339470910).

Almost surely, 2^2556155323 is an apocalyptic number.

2556155323 is a deficient number, since it is larger than the sum of its proper divisors (159611957).

2556155323 is a wasteful number, since it uses less digits than its factorization.

2556155323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382317.

The product of its digits is 135000, while the sum is 37.

The square root of 2556155323 is about 50558.4347364512. The cubic root of 2556155323 is about 1367.2955907687.

The spelling of 2556155323 in words is "two billion, five hundred fifty-six million, one hundred fifty-five thousand, three hundred twenty-three".