4340431123 has 12 divisors (see below), whose sum is σ = 5085935352. Its totient is φ = 3693207840.

The previous prime is 4340431103. The next prime is 4340431129. The reversal of 4340431123 is 3211340434.

It is not a de Polignac number, because 4340431123 - 2²¹ = 4338333971 is a prime.

It is a super-2 number, since 2×4340431123² = 37678684667014082258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4340431129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 316573 + ... + 329998.

It is an arithmetic number, because the mean of its divisors is an integer number (423827946).

Almost surely, 2^4340431123 is an apocalyptic number.

4340431123 is a deficient number, since it is larger than the sum of its proper divisors (745504229).

4340431123 is a wasteful number, since it uses less digits than its factorization.

4340431123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646722 (or 646715 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 4340431123 is about 65881.9483849711. The cubic root of 4340431123 is about 1631.2140607007.

Adding to 4340431123 its reverse (3211340434), we get a palindrome (7551771557).

The spelling of 4340431123 in words is "four billion, three hundred forty million, four hundred thirty-one thousand, one hundred twenty-three".