1674623243 has 2 divisors, whose sum is σ = 1674623244. Its totient is φ = 1674623242.

The previous prime is 1674623227. The next prime is 1674623257. The reversal of 1674623243 is 3423264761.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1674623243 - 2⁴ = 1674623227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1674623197 and 1674623206.

It is not a weakly prime, because it can be changed into another prime (1674623213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 837311621 + 837311622.

It is an arithmetic number, because the mean of its divisors is an integer number (837311622).

Almost surely, 2^1674623243 is an apocalyptic number.

1674623243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1674623243 is an equidigital number, since it uses as much as digits as its factorization.

1674623243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 38.

The square root of 1674623243 is about 40922.1607811709. The cubic root of 1674623243 is about 1187.5148199517.

The spelling of 1674623243 in words is "one billion, six hundred seventy-four million, six hundred twenty-three thousand, two hundred forty-three".