634323 has 4 divisors (see below), whose sum is σ = 845768. Its totient is φ = 422880.

The previous prime is 634313. The next prime is 634327. The reversal of 634323 is 323436.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 634323 - 2⁴ = 634307 is a prime.

It is a d-powerful number, because it can be written as 6⁷ + 3⁴ + 3¹¹ + 4 + 2³ + 3¹¹ .

It is a D-number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 634323.

It is not an unprimeable number, because it can be changed into a prime (634327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105718 + ... + 105723.

It is an arithmetic number, because the mean of its divisors is an integer number (211442).

2⁶³⁴³²³ is an apocalyptic number.

634323 is a deficient number, since it is larger than the sum of its proper divisors (211445).

634323 is a wasteful number, since it uses less digits than its factorization.

634323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211444.

The product of its digits is 1296, while the sum is 21.

The square root of 634323 is about 796.4439716640. The cubic root of 634323 is about 85.9218236750.

Adding to 634323 its reverse (323436), we get a palindrome (957759).

The spelling of 634323 in words is "six hundred thirty-four thousand, three hundred twenty-three".