623112 has 32 divisors (see below), whose sum is σ = 1780800. Its totient is φ = 177984.

The previous prime is 623107. The next prime is 623171. The reversal of 623112 is 211326.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 623091 and 623100.

It is an unprimeable number.

623112 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1687 + ... + 2022.

It is an arithmetic number, because the mean of its divisors is an integer number (55650).

2⁶²³¹¹² is an apocalyptic number.

It is an amenable number.

623112 is an abundant number, since it is smaller than the sum of its proper divisors (1157688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

623112 is a wasteful number, since it uses less digits than its factorization.

623112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3725 (or 3721 counting only the distinct ones).

The product of its digits is 72, while the sum is 15.

The square root of 623112 is about 789.3744358668. The cubic root of 623112 is about 85.4126189106.

Adding to 623112 its reverse (211326), we get a palindrome (834438).

The spelling of 623112 in words is "six hundred twenty-three thousand, one hundred twelve".