338423851 has 2 divisors, whose sum is σ = 338423852. Its totient is φ = 338423850.

The previous prime is 338423821. The next prime is 338423857. The reversal of 338423851 is 158324833.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 338423851 - 2⁵ = 338423819 is a prime.

It is a super-2 number, since 2×338423851² = 229061405851340402, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 338423851.

It is not a weakly prime, because it can be changed into another prime (338423857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169211925 + 169211926.

It is an arithmetic number, because the mean of its divisors is an integer number (169211926).

Almost surely, 2^338423851 is an apocalyptic number.

338423851 is a deficient number, since it is larger than the sum of its proper divisors (1).

338423851 is an equidigital number, since it uses as much as digits as its factorization.

338423851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 37.

The square root of 338423851 is about 18396.2999268875. The cubic root of 338423851 is about 696.8730257433.

The spelling of 338423851 in words is "three hundred thirty-eight million, four hundred twenty-three thousand, eight hundred fifty-one".