4323401320243 has 4 divisors (see below), whose sum is σ = 4326913426528. Its totient is φ = 4319889213960.

The previous prime is 4323401320213. The next prime is 4323401320267. The reversal of 4323401320243 is 3420231043234.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4323401320243 - 2³⁷ = 4185962366771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4323401320213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1756051296 + ... + 1756053757.

It is an arithmetic number, because the mean of its divisors is an integer number (1081728356632).

Almost surely, 2^{4323401320243} is an apocalyptic number.

4323401320243 is a deficient number, since it is larger than the sum of its proper divisors (3512106285).

4323401320243 is a wasteful number, since it uses less digits than its factorization.

4323401320243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3512106284.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 4323401320243 its reverse (3420231043234), we get a palindrome (7743632363477).

The spelling of 4323401320243 in words is "four trillion, three hundred twenty-three billion, four hundred one million, three hundred twenty thousand, two hundred forty-three".