1443312343 has 4 divisors (see below), whose sum is σ = 1574522568. Its totient is φ = 1312102120.

The previous prime is 1443312341. The next prime is 1443312347. The reversal of 1443312343 is 3432133441.

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 1443312343 - 2¹ = 1443312341 is a prime.

It is a super-2 number, since 2×1443312343² = 4166301038912299298, which 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 (1443312341) 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, 65605096 + ... + 65605117.

It is an arithmetic number, because the mean of its divisors is an integer number (393630642).

Almost surely, 2^1443312343 is an apocalyptic number.

1443312343 is a deficient number, since it is larger than the sum of its proper divisors (131210225).

1443312343 is a wasteful number, since it uses less digits than its factorization.

1443312343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131210224.

The product of its digits is 10368, while the sum is 28.

The square root of 1443312343 is about 37990.9508041060. The cubic root of 1443312343 is about 1130.1084144291.

Adding to 1443312343 its reverse (3432133441), we get a palindrome (4875445784).

The spelling of 1443312343 in words is "one billion, four hundred forty-three million, three hundred twelve thousand, three hundred forty-three".