623126212 has 12 divisors (see below), whose sum is σ = 1137882816. Its totient is φ = 298016840.

The previous prime is 623126209. The next prime is 623126221. The reversal of 623126212 is 212621326.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3386464 + ... + 3386647.

It is an arithmetic number, because the mean of its divisors is an integer number (94823568).

Almost surely, 2^623126212 is an apocalyptic number.

It is an amenable number.

623126212 is a deficient number, since it is larger than the sum of its proper divisors (514756604).

623126212 is a wasteful number, since it uses less digits than its factorization.

623126212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6773138 (or 6773136 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 623126212 is about 24962.4961091634. The cubic root of 623126212 is about 854.1326827212.

Adding to 623126212 its reverse (212621326), we get a palindrome (835747538).

The spelling of 623126212 in words is "six hundred twenty-three million, one hundred twenty-six thousand, two hundred twelve".