634023127 has 2 divisors, whose sum is σ = 634023128. Its totient is φ = 634023126.

The previous prime is 634023073. The next prime is 634023133. The reversal of 634023127 is 721320436.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 634023127 - 2²³ = 625634519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 634023095 and 634023104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (634027127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317011563 + 317011564.

It is an arithmetic number, because the mean of its divisors is an integer number (317011564).

Almost surely, 2^634023127 is an apocalyptic number.

634023127 is a deficient number, since it is larger than the sum of its proper divisors (1).

634023127 is an equidigital number, since it uses as much as digits as its factorization.

634023127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 634023127 is about 25179.8158650932. The cubic root of 634023127 is about 859.0828183786.

The spelling of 634023127 in words is "six hundred thirty-four million, twenty-three thousand, one hundred twenty-seven".