634462723 has 4 divisors (see below), whose sum is σ = 634515880. Its totient is φ = 634409568.

The previous prime is 634462679. The next prime is 634462733. The reversal of 634462723 is 327264436.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 634462723 - 2¹³ = 634454531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634462733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568 + ... + 35626.

It is an arithmetic number, because the mean of its divisors is an integer number (158628970).

Almost surely, 2^634462723 is an apocalyptic number.

634462723 is a deficient number, since it is larger than the sum of its proper divisors (53157).

634462723 is a wasteful number, since it uses less digits than its factorization.

634462723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53156.

The product of its digits is 145152, while the sum is 37.

The square root of 634462723 is about 25188.5434870697. The cubic root of 634462723 is about 859.2813190893.

The spelling of 634462723 in words is "six hundred thirty-four million, four hundred sixty-two thousand, seven hundred twenty-three".