457242823 has 2 divisors, whose sum is σ = 457242824. Its totient is φ = 457242822.

The previous prime is 457242811. The next prime is 457242859. The reversal of 457242823 is 328242754.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 457242823 - 2¹⁷ = 457111751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457242803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228621411 + 228621412.

It is an arithmetic number, because the mean of its divisors is an integer number (228621412).

Almost surely, 2^457242823 is an apocalyptic number.

457242823 is a deficient number, since it is larger than the sum of its proper divisors (1).

457242823 is an equidigital number, since it uses as much as digits as its factorization.

457242823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 107520, while the sum is 37.

The square root of 457242823 is about 21383.2369626303. The cubic root of 457242823 is about 770.3988617738.

The spelling of 457242823 in words is "four hundred fifty-seven million, two hundred forty-two thousand, eight hundred twenty-three".