623242212 has 24 divisors (see below), whose sum is σ = 1460323200. Its totient is φ = 206877216.

The previous prime is 623242183. The next prime is 623242229. The reversal of 623242212 is 212242326.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105787 + ... + 111522.

It is an arithmetic number, because the mean of its divisors is an integer number (60846800).

Almost surely, 2^623242212 is an apocalyptic number.

It is an amenable number.

623242212 is an abundant number, since it is smaller than the sum of its proper divisors (837080988).

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

623242212 is a wasteful number, since it uses less digits than its factorization.

623242212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217555 (or 217553 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 623242212 is about 24964.8194866296. The cubic root of 623242212 is about 854.1856806756.

Adding to 623242212 its reverse (212242326), we get a palindrome (835484538).

The spelling of 623242212 in words is "six hundred twenty-three million, two hundred forty-two thousand, two hundred twelve".