997286023 has 4 divisors (see below), whose sum is σ = 999507600. Its totient is φ = 995064448.

The previous prime is 997285969. The next prime is 997286039. The reversal of 997286023 is 320682799.

997286023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 997286023 - 2²¹ = 995188871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997289023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1110115 + ... + 1111012.

It is an arithmetic number, because the mean of its divisors is an integer number (249876900).

Almost surely, 2^997286023 is an apocalyptic number.

997286023 is a deficient number, since it is larger than the sum of its proper divisors (2221577).

997286023 is a wasteful number, since it uses less digits than its factorization.

997286023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221576.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 997286023 is about 31579.8357025492. The cubic root of 997286023 is about 999.0945213559.

The spelling of 997286023 in words is "nine hundred ninety-seven million, two hundred eighty-six thousand, twenty-three".