457222823 has 2 divisors, whose sum is σ = 457222824. Its totient is φ = 457222822.

The previous prime is 457222811. The next prime is 457222853. The reversal of 457222823 is 328222754.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 457222823 - 2¹⁶ = 457157287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457222853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228611411 + 228611412.

It is an arithmetic number, because the mean of its divisors is an integer number (228611412).

Almost surely, 2^457222823 is an apocalyptic number.

457222823 is a deficient number, since it is larger than the sum of its proper divisors (1).

457222823 is an equidigital number, since it uses as much as digits as its factorization.

457222823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 35.

The square root of 457222823 is about 21382.7693014726. The cubic root of 457222823 is about 770.3876290829.

The spelling of 457222823 in words is "four hundred fifty-seven million, two hundred twenty-two thousand, eight hundred twenty-three".