47315843 has 2 divisors, whose sum is σ = 47315844. Its totient is φ = 47315842.

The previous prime is 47315837. The next prime is 47315881. The reversal of 47315843 is 34851374.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47315843 - 2¹⁰ = 47314819 is a prime.

It is not a weakly prime, because it can be changed into another prime (47315143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23657921 + 23657922.

It is an arithmetic number, because the mean of its divisors is an integer number (23657922).

Almost surely, 2^47315843 is an apocalyptic number.

47315843 is a deficient number, since it is larger than the sum of its proper divisors (1).

47315843 is an equidigital number, since it uses as much as digits as its factorization.

47315843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 35.

The square root of 47315843 is about 6878.6512486097. The cubic root of 47315843 is about 361.6891886654.

The spelling of 47315843 in words is "forty-seven million, three hundred fifteen thousand, eight hundred forty-three".