6221323123 has 16 divisors (see below), whose sum is σ = 6411018240. Its totient is φ = 6035046336.

The previous prime is 6221323117. The next prime is 6221323139. The reversal of 6221323123 is 3213231226.

It is a cyclic number.

It is not a de Polignac number, because 6221323123 - 2¹⁷ = 6221192051 is a prime.

It is a super-2 number, since 2×6221323123² = 77409722801548946258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6221323103) 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, 1566286 + ... + 1570252.

It is an arithmetic number, because the mean of its divisors is an integer number (400688640).

Almost surely, 2^6221323123 is an apocalyptic number.

6221323123 is a deficient number, since it is larger than the sum of its proper divisors (189695117).

6221323123 is a wasteful number, since it uses less digits than its factorization.

6221323123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4386.

The product of its digits is 2592, while the sum is 25.

The square root of 6221323123 is about 78875.3644872719. The cubic root of 6221323123 is about 1839.1941890373.

Adding to 6221323123 its reverse (3213231226), we get a palindrome (9434554349).

The spelling of 6221323123 in words is "six billion, two hundred twenty-one million, three hundred twenty-three thousand, one hundred twenty-three".