47423339 has 2 divisors, whose sum is σ = 47423340. Its totient is φ = 47423338.

The previous prime is 47423333. The next prime is 47423359. The reversal of 47423339 is 93332474.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47423339 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p_2855618 and since 47423339 and 2855618 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 47423299 and 47423308.

It is not a weakly prime, because it can be changed into another prime (47423333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23711669 + 23711670.

It is an arithmetic number, because the mean of its divisors is an integer number (23711670).

Almost surely, 2^47423339 is an apocalyptic number.

47423339 is a deficient number, since it is larger than the sum of its proper divisors (1).

47423339 is an equidigital number, since it uses as much as digits as its factorization.

47423339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 35.

The square root of 47423339 is about 6886.4605567737. The cubic root of 47423339 is about 361.9628865220.

The spelling of 47423339 in words is "forty-seven million, four hundred twenty-three thousand, three hundred thirty-nine".