623229 has 4 divisors (see below), whose sum is σ = 830976. Its totient is φ = 415484.

The previous prime is 623221. The next prime is 623261. The reversal of 623229 is 922326.

623229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 623229 - 2³ = 623221 is a prime.

It is a D-number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 623199 and 623208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623221) 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, 103869 + ... + 103874.

It is an arithmetic number, because the mean of its divisors is an integer number (207744).

2⁶²³²²⁹ is an apocalyptic number.

It is an amenable number.

623229 is a deficient number, since it is larger than the sum of its proper divisors (207747).

623229 is a wasteful number, since it uses less digits than its factorization.

623229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207746.

The product of its digits is 1296, while the sum is 24.

The square root of 623229 is about 789.4485417049. The cubic root of 623229 is about 85.4179644723.

The spelling of 623229 in words is "six hundred twenty-three thousand, two hundred twenty-nine".