4243111323 has 32 divisors (see below), whose sum is σ = 6446587392. Its totient is φ = 2457312000.

The previous prime is 4243111291. The next prime is 4243111339. The reversal of 4243111323 is 3231113424.

It is a happy number.

It is not a de Polignac number, because 4243111323 - 2⁵ = 4243111291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4243111293 and 4243111302.

It is not an unprimeable number, because it can be changed into a prime (4243111393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 985311 + ... + 989607.

It is an arithmetic number, because the mean of its divisors is an integer number (201455856).

Almost surely, 2^4243111323 is an apocalyptic number.

4243111323 is a deficient number, since it is larger than the sum of its proper divisors (2203476069).

4243111323 is a wasteful number, since it uses less digits than its factorization.

4243111323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5635.

The product of its digits is 1728, while the sum is 24.

The square root of 4243111323 is about 65139.1688847808. The cubic root of 4243111323 is about 1618.9302650468.

Adding to 4243111323 its reverse (3231113424), we get a palindrome (7474224747).

The spelling of 4243111323 in words is "four billion, two hundred forty-three million, one hundred eleven thousand, three hundred twenty-three".