47807423 has 2 divisors, whose sum is σ = 47807424. Its totient is φ = 47807422.

The previous prime is 47807407. The next prime is 47807437. The reversal of 47807423 is 32470874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47807423 - 2⁴ = 47807407 is a prime.

It is a Sophie Germain prime.

It is equal to p_2877272 and since 47807423 and 2877272 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47807453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23903711 + 23903712.

It is an arithmetic number, because the mean of its divisors is an integer number (23903712).

Almost surely, 2^47807423 is an apocalyptic number.

47807423 is a deficient number, since it is larger than the sum of its proper divisors (1).

47807423 is an equidigital number, since it uses as much as digits as its factorization.

47807423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 47807423 is about 6914.2912145787. The cubic root of 47807423 is about 362.9374454257.

The spelling of 47807423 in words is "forty-seven million, eight hundred seven thousand, four hundred twenty-three".