456045223 has 2 divisors, whose sum is σ = 456045224. Its totient is φ = 456045222.

The previous prime is 456045203. The next prime is 456045257. The reversal of 456045223 is 322540654.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-456045223 is a prime.

It is a super-2 number, since 2×456045223² = 415954490842239458, which contains 22 as substring.

It is equal to p_24156364 and since 456045223 and 24156364 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (456045203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228022611 + 228022612.

It is an arithmetic number, because the mean of its divisors is an integer number (228022612).

Almost surely, 2^456045223 is an apocalyptic number.

456045223 is a deficient number, since it is larger than the sum of its proper divisors (1).

456045223 is an equidigital number, since it uses as much as digits as its factorization.

456045223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 456045223 is about 21355.2153583147. The cubic root of 456045223 is about 769.7256699708.

Adding to 456045223 its reverse (322540654), we get a palindrome (778585877).

The spelling of 456045223 in words is "four hundred fifty-six million, forty-five thousand, two hundred twenty-three".