4340403243 has 24 divisors (see below), whose sum is σ = 6845657520. Its totient is φ = 2628149760.

The previous prime is 4340403157. The next prime is 4340403247. The reversal of 4340403243 is 3423040434.

It is not a de Polignac number, because 4340403243 - 2²⁸ = 4071967787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4340403247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92355 + ... + 131187.

It is an arithmetic number, because the mean of its divisors is an integer number (285235730).

Almost surely, 2^4340403243 is an apocalyptic number.

4340403243 is a deficient number, since it is larger than the sum of its proper divisors (2505254277).

4340403243 is a wasteful number, since it uses less digits than its factorization.

4340403243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39979 (or 39976 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

The square root of 4340403243 is about 65881.7367940463. The cubic root of 4340403243 is about 1631.2105680872.

Adding to 4340403243 its reverse (3423040434), we get a palindrome (7763443677).

The spelling of 4340403243 in words is "four billion, three hundred forty million, four hundred three thousand, two hundred forty-three".