47023237 has 2 divisors, whose sum is σ = 47023238. Its totient is φ = 47023236.

The previous prime is 47023217. The next prime is 47023267. The reversal of 47023237 is 73232074.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34975396 + 12047841 = 5914^2 + 3471^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47023237 is a prime.

It is a super-2 number, since 2×47023237² = 4422369635916338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47023217) 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, 23511618 + 23511619.

It is an arithmetic number, because the mean of its divisors is an integer number (23511619).

Almost surely, 2^47023237 is an apocalyptic number.

It is an amenable number.

47023237 is a deficient number, since it is larger than the sum of its proper divisors (1).

47023237 is an equidigital number, since it uses as much as digits as its factorization.

47023237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 47023237 is about 6857.3491233858. The cubic root of 47023237 is about 360.9420721809.

The spelling of 47023237 in words is "forty-seven million, twenty-three thousand, two hundred thirty-seven".