223999297 has 2 divisors, whose sum is σ = 223999298. Its totient is φ = 223999296.

The previous prime is 223999267. The next prime is 223999309. The reversal of 223999297 is 792999322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115756081 + 108243216 = 10759^2 + 10404^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223999297 is a prime.

It is not a weakly prime, because it can be changed into another prime (223999267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111999648 + 111999649.

It is an arithmetic number, because the mean of its divisors is an integer number (111999649).

Almost surely, 2^223999297 is an apocalyptic number.

It is an amenable number.

223999297 is a deficient number, since it is larger than the sum of its proper divisors (1).

223999297 is an equidigital number, since it uses as much as digits as its factorization.

223999297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1102248, while the sum is 52.

The square root of 223999297 is about 14966.6060614957. The cubic root of 223999297 is about 607.3171590405.

The spelling of 223999297 in words is "two hundred twenty-three million, nine hundred ninety-nine thousand, two hundred ninety-seven".