1343069243 has 4 divisors (see below), whose sum is σ = 1355621400. Its totient is φ = 1330517088.

The previous prime is 1343069213. The next prime is 1343069261. The reversal of 1343069243 is 3429603431.

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 1343069243 - 2¹⁶ = 1343003707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1343069213) 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, 6275918 + ... + 6276131.

It is an arithmetic number, because the mean of its divisors is an integer number (338905350).

Almost surely, 2^1343069243 is an apocalyptic number.

1343069243 is a deficient number, since it is larger than the sum of its proper divisors (12552157).

1343069243 is a wasteful number, since it uses less digits than its factorization.

1343069243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12552156.

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 1343069243 is about 36647.9091218039. The cubic root of 1343069243 is about 1103.3148609299.

The spelling of 1343069243 in words is "one billion, three hundred forty-three million, sixty-nine thousand, two hundred forty-three".