231443425343 has 4 divisors (see below), whose sum is σ = 249246765768. Its totient is φ = 213640084920.

The previous prime is 231443425327. The next prime is 231443425403. The reversal of 231443425343 is 343524344132.

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 231443425343 - 2⁴ = 231443425327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231443425297 and 231443425306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231443425303) 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, 8901670193 + ... + 8901670218.

It is an arithmetic number, because the mean of its divisors is an integer number (62311691442).

Almost surely, 2^231443425343 is an apocalyptic number.

231443425343 is a deficient number, since it is larger than the sum of its proper divisors (17803340425).

231443425343 is a wasteful number, since it uses less digits than its factorization.

231443425343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17803340424.

The product of its digits is 414720, while the sum is 38.

Adding to 231443425343 its reverse (343524344132), we get a palindrome (574967769475).

The spelling of 231443425343 in words is "two hundred thirty-one billion, four hundred forty-three million, four hundred twenty-five thousand, three hundred forty-three".