634304623 has 2 divisors, whose sum is σ = 634304624. Its totient is φ = 634304622.

The previous prime is 634304599. The next prime is 634304651. The reversal of 634304623 is 326403436.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 634304623 - 2²⁹ = 97433711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (634304023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317152311 + 317152312.

It is an arithmetic number, because the mean of its divisors is an integer number (317152312).

Almost surely, 2^634304623 is an apocalyptic number.

634304623 is a deficient number, since it is larger than the sum of its proper divisors (1).

634304623 is an equidigital number, since it uses as much as digits as its factorization.

634304623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 31.

The square root of 634304623 is about 25185.4049600160. The cubic root of 634304623 is about 859.2099391866.

The spelling of 634304623 in words is "six hundred thirty-four million, three hundred four thousand, six hundred twenty-three".