997412023 has 2 divisors, whose sum is σ = 997412024. Its totient is φ = 997412022.

The previous prime is 997411969. The next prime is 997412027. The reversal of 997412023 is 320214799.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 997412023 - 2⁹ = 997411511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (997412027) 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 as a sum of consecutive naturals, namely, 498706011 + 498706012.

It is an arithmetic number, because the mean of its divisors is an integer number (498706012).

Almost surely, 2^997412023 is an apocalyptic number.

997412023 is a deficient number, since it is larger than the sum of its proper divisors (1).

997412023 is an equidigital number, since it uses as much as digits as its factorization.

997412023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 997412023 is about 31581.8305834225. The cubic root of 997412023 is about 999.1365957476.

The spelling of 997412023 in words is "nine hundred ninety-seven million, four hundred twelve thousand, twenty-three".