455663723 has 2 divisors, whose sum is σ = 455663724. Its totient is φ = 455663722.

The previous prime is 455663707. The next prime is 455663743. The reversal of 455663723 is 327366554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 455663723 - 2⁴ = 455663707 is a prime.

It is not a weakly prime, because it can be changed into another prime (455663743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227831861 + 227831862.

It is an arithmetic number, because the mean of its divisors is an integer number (227831862).

Almost surely, 2^455663723 is an apocalyptic number.

455663723 is a deficient number, since it is larger than the sum of its proper divisors (1).

455663723 is an equidigital number, since it uses as much as digits as its factorization.

455663723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 41.

The square root of 455663723 is about 21346.2812452193. The cubic root of 455663723 is about 769.5109746952.

The spelling of 455663723 in words is "four hundred fifty-five million, six hundred sixty-three thousand, seven hundred twenty-three".