1374443243 has 2 divisors, whose sum is σ = 1374443244. Its totient is φ = 1374443242.

The previous prime is 1374443219. The next prime is 1374443297. The reversal of 1374443243 is 3423444731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1374443243 - 2³⁰ = 300701419 is a prime.

It is not a weakly prime, because it can be changed into another prime (1374443143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687221621 + 687221622.

It is an arithmetic number, because the mean of its divisors is an integer number (687221622).

Almost surely, 2^1374443243 is an apocalyptic number.

1374443243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1374443243 is an equidigital number, since it uses as much as digits as its factorization.

1374443243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 35.

The square root of 1374443243 is about 37073.4843655139. The cubic root of 1374443243 is about 1111.8399381762.

Adding to 1374443243 its reverse (3423444731), we get a palindrome (4797887974).

The spelling of 1374443243 in words is "one billion, three hundred seventy-four million, four hundred forty-three thousand, two hundred forty-three".