397223 has 2 divisors, whose sum is σ = 397224. Its totient is φ = 397222.

The previous prime is 397217. The next prime is 397237. The reversal of 397223 is 322793.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 397223 - 2¹⁰ = 396199 is a prime.

It is a super-2 number, since 2×397223² = 315572223458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 397192 and 397201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (397253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198611 + 198612.

It is an arithmetic number, because the mean of its divisors is an integer number (198612).

2³⁹⁷²²³ is an apocalyptic number.

397223 is a deficient number, since it is larger than the sum of its proper divisors (1).

397223 is an equidigital number, since it uses as much as digits as its factorization.

397223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 26.

The square root of 397223 is about 630.2562970729. The cubic root of 397223 is about 73.5097245991.

The spelling of 397223 in words is "three hundred ninety-seven thousand, two hundred twenty-three".