338656823 has 2 divisors, whose sum is σ = 338656824. Its totient is φ = 338656822.

The previous prime is 338656783. The next prime is 338656859. The reversal of 338656823 is 328656833.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 338656823 - 2¹⁰ = 338655799 is a prime.

It is a super-2 number, since 2×338656823² = 229376887528906658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338656883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169328411 + 169328412.

It is an arithmetic number, because the mean of its divisors is an integer number (169328412).

Almost surely, 2^338656823 is an apocalyptic number.

338656823 is a deficient number, since it is larger than the sum of its proper divisors (1).

338656823 is an equidigital number, since it uses as much as digits as its factorization.

338656823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 44.

The square root of 338656823 is about 18402.6308716988. The cubic root of 338656823 is about 697.0328988943.

The spelling of 338656823 in words is "three hundred thirty-eight million, six hundred fifty-six thousand, eight hundred twenty-three".