338842123 has 2 divisors, whose sum is σ = 338842124. Its totient is φ = 338842122.

The previous prime is 338842103. The next prime is 338842151. The reversal of 338842123 is 321248833.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 338842123 - 2¹³ = 338833931 is a prime.

It is a super-2 number, since 2×338842123² = 229627968638294258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (338842103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169421061 + 169421062.

It is an arithmetic number, because the mean of its divisors is an integer number (169421062).

Almost surely, 2^338842123 is an apocalyptic number.

338842123 is a deficient number, since it is larger than the sum of its proper divisors (1).

338842123 is an equidigital number, since it uses as much as digits as its factorization.

338842123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 34.

The square root of 338842123 is about 18407.6647894294. The cubic root of 338842123 is about 697.1600055869.

The spelling of 338842123 in words is "three hundred thirty-eight million, eight hundred forty-two thousand, one hundred twenty-three".