297939223 has 4 divisors (see below), whose sum is σ = 298278288. Its totient is φ = 297600160.

The previous prime is 297939221. The next prime is 297939227. The reversal of 297939223 is 322939792.

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 297939223 - 2¹ = 297939221 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 (297939221) 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, 168211 + ... + 169972.

It is an arithmetic number, because the mean of its divisors is an integer number (74569572).

Almost surely, 2^297939223 is an apocalyptic number.

297939223 is a deficient number, since it is larger than the sum of its proper divisors (339065).

297939223 is an equidigital number, since it uses as much as digits as its factorization.

297939223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339064.

The product of its digits is 367416, while the sum is 46.

The square root of 297939223 is about 17260.9160533269. The cubic root of 297939223 is about 667.8965912274.

The spelling of 297939223 in words is "two hundred ninety-seven million, nine hundred thirty-nine thousand, two hundred twenty-three".