629423 has 4 divisors (see below), whose sum is σ = 633360. Its totient is φ = 625488.

The previous prime is 629417. The next prime is 629429. The reversal of 629423 is 324926.

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

It is an interprime number because it is at equal distance from previous prime (629417) and next prime (629429).

It is a cyclic number.

It is not a de Polignac number, because 629423 - 2¹⁰ = 628399 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 629392 and 629401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629429) 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, 1718 + ... + 2051.

It is an arithmetic number, because the mean of its divisors is an integer number (158340).

2⁶²⁹⁴²³ is an apocalyptic number.

629423 is a deficient number, since it is larger than the sum of its proper divisors (3937).

629423 is a wasteful number, since it uses less digits than its factorization.

629423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3936.

The product of its digits is 2592, while the sum is 26.

The square root of 629423 is about 793.3618342219. The cubic root of 629423 is about 85.7000093948.

The spelling of 629423 in words is "six hundred twenty-nine thousand, four hundred twenty-three".