623212163 has 16 divisors (see below), whose sum is σ = 786931200. Its totient is φ = 480898176.

The previous prime is 623212147. The next prime is 623212171. The reversal of 623212163 is 361212326.

It is not a de Polignac number, because 623212163 - 2⁴ = 623212147 is a prime.

It is a super-2 number, since 2×623212163² = 776786800222277138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (623212123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111113 + ... + 116586.

It is an arithmetic number, because the mean of its divisors is an integer number (49183200).

Almost surely, 2^623212163 is an apocalyptic number.

623212163 is a deficient number, since it is larger than the sum of its proper divisors (163719037).

623212163 is a wasteful number, since it uses less digits than its factorization.

623212163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227746.

The product of its digits is 2592, while the sum is 26.

The square root of 623212163 is about 24964.2176524721. The cubic root of 623212163 is about 854.1719525521.

Adding to 623212163 its reverse (361212326), we get a palindrome (984424489).

The spelling of 623212163 in words is "six hundred twenty-three million, two hundred twelve thousand, one hundred sixty-three".