623012 has 12 divisors (see below), whose sum is σ = 1174236. Its totient is φ = 287520.

The previous prime is 623009. The next prime is 623017. The reversal of 623012 is 210326.

It can be written as a sum of positive squares in 2 ways, for example, as 376996 + 246016 = 614^2 + 496^2 .

It is not an unprimeable number, because it can be changed into a prime (623017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5939 + ... + 6042.

It is an arithmetic number, because the mean of its divisors is an integer number (97853).

2⁶²³⁰¹² is an apocalyptic number.

It is an amenable number.

623012 is a deficient number, since it is larger than the sum of its proper divisors (551224).

623012 is a wasteful number, since it uses less digits than its factorization.

623012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11998 (or 11996 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 623012 is about 789.3110920290. The cubic root of 623012 is about 85.4080495240.

Adding to 623012 its reverse (210326), we get a palindrome (833338).

Subtracting from 623012 its reverse (210326), we obtain a triangular number (412686 = T₉₀₈).

The spelling of 623012 in words is "six hundred twenty-three thousand, twelve".