2566356323 has 2 divisors, whose sum is σ = 2566356324. Its totient is φ = 2566356322.

The previous prime is 2566356311. The next prime is 2566356347. The reversal of 2566356323 is 3236536652.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2566356323 - 2¹⁴ = 2566339939 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2566356523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1283178161 + 1283178162.

It is an arithmetic number, because the mean of its divisors is an integer number (1283178162).

Almost surely, 2^2566356323 is an apocalyptic number.

2566356323 is a deficient number, since it is larger than the sum of its proper divisors (1).

2566356323 is an equidigital number, since it uses as much as digits as its factorization.

2566356323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 583200, while the sum is 41.

The square root of 2566356323 is about 50659.2175521889. The cubic root of 2566356323 is about 1369.1120256756.

The spelling of 2566356323 in words is "two billion, five hundred sixty-six million, three hundred fifty-six thousand, three hundred twenty-three".