634755223 has 2 divisors, whose sum is σ = 634755224. Its totient is φ = 634755222.

The previous prime is 634755181. The next prime is 634755229. The reversal of 634755223 is 322557436.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 634755223 - 2²⁵ = 601200791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (634755229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317377611 + 317377612.

It is an arithmetic number, because the mean of its divisors is an integer number (317377612).

Almost surely, 2^634755223 is an apocalyptic number.

634755223 is a deficient number, since it is larger than the sum of its proper divisors (1).

634755223 is an equidigital number, since it uses as much as digits as its factorization.

634755223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 37.

The square root of 634755223 is about 25194.3490290978. The cubic root of 634755223 is about 859.4133474247.

The spelling of 634755223 in words is "six hundred thirty-four million, seven hundred fifty-five thousand, two hundred twenty-three".