2817997223 has 2 divisors, whose sum is σ = 2817997224. Its totient is φ = 2817997222.

The previous prime is 2817997139. The next prime is 2817997267. The reversal of 2817997223 is 3227997182.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2817997223 - 2¹² = 2817993127 is a prime.

It is a super-2 number, since 2×2817997223² = 15882216697671423458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2817997423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1408998611 + 1408998612.

It is an arithmetic number, because the mean of its divisors is an integer number (1408998612).

Almost surely, 2^2817997223 is an apocalyptic number.

2817997223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2817997223 is an equidigital number, since it uses as much as digits as its factorization.

2817997223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 50.

The square root of 2817997223 is about 53084.8116036970. The cubic root of 2817997223 is about 1412.4731043303.

The spelling of 2817997223 in words is "two billion, eight hundred seventeen million, nine hundred ninety-seven thousand, two hundred twenty-three".