43231343 has 4 divisors (see below), whose sum is σ = 44285808. Its totient is φ = 42176880.

The previous prime is 43231319. The next prime is 43231361. The reversal of 43231343 is 34313234.

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 43231343 - 2⁸ = 43231087 is a prime.

It is a super-3 number, since 3×43231343³ (a number of 24 digits) contains 333 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 (43231043) 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, 527171 + ... + 527252.

It is an arithmetic number, because the mean of its divisors is an integer number (11071452).

Almost surely, 2^43231343 is an apocalyptic number.

43231343 is a deficient number, since it is larger than the sum of its proper divisors (1054465).

43231343 is a wasteful number, since it uses less digits than its factorization.

43231343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054464.

The product of its digits is 2592, while the sum is 23.

The square root of 43231343 is about 6575.0546005337. The cubic root of 43231343 is about 350.9669668564.

Adding to 43231343 its reverse (34313234), we get a palindrome (77544577).

The spelling of 43231343 in words is "forty-three million, two hundred thirty-one thousand, three hundred forty-three".