297923 has 4 divisors (see below), whose sum is σ = 300048. Its totient is φ = 295800.

The previous prime is 297911. The next prime is 297931. The reversal of 297923 is 329792.

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 297923 - 2⁴ = 297907 is a prime.

It is a super-2 number, since 2×297923² = 177516227858, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 297923.

It is not an unprimeable number, because it can be changed into a prime (297953) 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, 836 + ... + 1137.

It is an arithmetic number, because the mean of its divisors is an integer number (75012).

2²⁹⁷⁹²³ is an apocalyptic number.

297923 is a deficient number, since it is larger than the sum of its proper divisors (2125).

297923 is a wasteful number, since it uses less digits than its factorization.

297923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124.

The product of its digits is 6804, while the sum is 32.

The square root of 297923 is about 545.8232314587. The cubic root of 297923 is about 66.7884468528.

The spelling of 297923 in words is "two hundred ninety-seven thousand, nine hundred twenty-three".