453397823 has 2 divisors, whose sum is σ = 453397824. Its totient is φ = 453397822.

The previous prime is 453397807. The next prime is 453397829. The reversal of 453397823 is 328793354.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 453397823 - 2⁴ = 453397807 is a prime.

It is a super-2 number, since 2×453397823² = 411139171802278658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (453397829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226698911 + 226698912.

It is an arithmetic number, because the mean of its divisors is an integer number (226698912).

Almost surely, 2^453397823 is an apocalyptic number.

453397823 is a deficient number, since it is larger than the sum of its proper divisors (1).

453397823 is an equidigital number, since it uses as much as digits as its factorization.

453397823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 44.

The square root of 453397823 is about 21293.1402803814. The cubic root of 453397823 is about 768.2333269778.

The spelling of 453397823 in words is "four hundred fifty-three million, three hundred ninety-seven thousand, eight hundred twenty-three".