997274323 has 2 divisors, whose sum is σ = 997274324. Its totient is φ = 997274322.

The previous prime is 997274287. The next prime is 997274329. The reversal of 997274323 is 323472799.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-997274323 is a prime.

It is not a weakly prime, because it can be changed into another prime (997274329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498637161 + 498637162.

It is an arithmetic number, because the mean of its divisors is an integer number (498637162).

Almost surely, 2^997274323 is an apocalyptic number.

997274323 is a deficient number, since it is larger than the sum of its proper divisors (1).

997274323 is an equidigital number, since it uses as much as digits as its factorization.

997274323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 46.

The square root of 997274323 is about 31579.6504572169. The cubic root of 997274323 is about 999.0906142683.

The spelling of 997274323 in words is "nine hundred ninety-seven million, two hundred seventy-four thousand, three hundred twenty-three".