1343423249 has 24 divisors (see below), whose sum is σ = 1658775240. Its totient is φ = 1081092096.

The previous prime is 1343423201. The next prime is 1343423251. The reversal of 1343423249 is 9423243431.

It can be written as a sum of positive squares in 4 ways, for example, as 317374225 + 1026049024 = 17815^2 + 32032^2 .

It is not a de Polignac number, because 1343423249 - 2²⁰ = 1342374673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1343423299) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 378917 + ... + 382445.

It is an arithmetic number, because the mean of its divisors is an integer number (69115635).

Almost surely, 2^1343423249 is an apocalyptic number.

It is an amenable number.

1343423249 is a deficient number, since it is larger than the sum of its proper divisors (315351991).

1343423249 is a wasteful number, since it uses less digits than its factorization.

1343423249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4017 (or 4010 counting only the distinct ones).

The product of its digits is 62208, while the sum is 35.

The square root of 1343423249 is about 36652.7386289210. The cubic root of 1343423249 is about 1103.4117896056.

The spelling of 1343423249 in words is "one billion, three hundred forty-three million, four hundred twenty-three thousand, two hundred forty-nine".