623030 has 8 divisors (see below), whose sum is σ = 1121472. Its totient is φ = 249208.

The previous prime is 623023. The next prime is 623041. The reversal of 623030 is 30326.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 622996 and 623014.

It is a congruent number.

It is an unprimeable number.

623030 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31142 + ... + 31161.

It is an arithmetic number, because the mean of its divisors is an integer number (140184).

2⁶²³⁰³⁰ is an apocalyptic number.

623030 is a deficient number, since it is larger than the sum of its proper divisors (498442).

623030 is a wasteful number, since it uses less digits than its factorization.

623030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62310.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 623030 is about 789.3224942949. The cubic root of 623030 is about 85.4088720497.

Adding to 623030 its reverse (30326), we get a palindrome (653356).

Subtracting from 623030 its reverse (30326), we obtain a cube (592704 = 84³).

The spelling of 623030 in words is "six hundred twenty-three thousand, thirty".