403231242343 has 4 divisors (see below), whose sum is σ = 403848748728. Its totient is φ = 402613735960.

The previous prime is 403231242341. The next prime is 403231242511. The reversal of 403231242343 is 343242132304.

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 403231242343 - 2¹ = 403231242341 is a prime.

It is a super-2 number, since 2×403231242343² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403231242341) 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, 308752213 + ... + 308753518.

It is an arithmetic number, because the mean of its divisors is an integer number (100962187182).

Almost surely, 2^403231242343 is an apocalyptic number.

403231242343 is a deficient number, since it is larger than the sum of its proper divisors (617506385).

403231242343 is an equidigital number, since it uses as much as digits as its factorization.

403231242343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617506384.

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

Adding to 403231242343 its reverse (343242132304), we get a palindrome (746473374647).

The spelling of 403231242343 in words is "four hundred three billion, two hundred thirty-one million, two hundred forty-two thousand, three hundred forty-three".