457243223 has 2 divisors, whose sum is σ = 457243224. Its totient is φ = 457243222.

The previous prime is 457243219. The next prime is 457243247. The reversal of 457243223 is 322342754.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 457243223 - 2² = 457243219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 457243223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457243253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228621611 + 228621612.

It is an arithmetic number, because the mean of its divisors is an integer number (228621612).

Almost surely, 2^457243223 is an apocalyptic number.

457243223 is a deficient number, since it is larger than the sum of its proper divisors (1).

457243223 is an equidigital number, since it uses as much as digits as its factorization.

457243223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 32.

The square root of 457243223 is about 21383.2463157492. The cubic root of 457243223 is about 770.3990864242.

Adding to 457243223 its reverse (322342754), we get a palindrome (779585977).

The spelling of 457243223 in words is "four hundred fifty-seven million, two hundred forty-three thousand, two hundred twenty-three".