2566117323 has 24 divisors (see below), whose sum is σ = 4621234176. Its totient is φ = 1333047600.

The previous prime is 2566117319. The next prime is 2566117361. The reversal of 2566117323 is 3237116652.

2566117323 is a `hidden beast` number, since 2 + 5 + 6 + 611 + 7 + 32 + 3 = 666.

It is not a de Polignac number, because 2566117323 - 2² = 2566117319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2566117303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1850763 + ... + 1852148.

It is an arithmetic number, because the mean of its divisors is an integer number (192551424).

Almost surely, 2^2566117323 is an apocalyptic number.

2566117323 is a deficient number, since it is larger than the sum of its proper divisors (2055116853).

2566117323 is a wasteful number, since it uses less digits than its factorization.

2566117323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3702935 (or 3702932 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 2566117323 is about 50656.8585978246. The cubic root of 2566117323 is about 1369.0695234025.

The spelling of 2566117323 in words is "two billion, five hundred sixty-six million, one hundred seventeen thousand, three hundred twenty-three".