47823913 has 2 divisors, whose sum is σ = 47823914. Its totient is φ = 47823912.

The previous prime is 47823899. The next prime is 47823959. The reversal of 47823913 is 31932874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42680089 + 5143824 = 6533^2 + 2268^2 .

It is a cyclic number.

It is not a de Polignac number, because 47823913 - 2⁹ = 47823401 is a prime.

It is not a weakly prime, because it can be changed into another prime (47823313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23911956 + 23911957.

It is an arithmetic number, because the mean of its divisors is an integer number (23911957).

Almost surely, 2^47823913 is an apocalyptic number.

It is an amenable number.

47823913 is a deficient number, since it is larger than the sum of its proper divisors (1).

47823913 is an equidigital number, since it uses as much as digits as its factorization.

47823913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The square root of 47823913 is about 6915.4835694982. The cubic root of 47823913 is about 362.9791694240.

The spelling of 47823913 in words is "forty-seven million, eight hundred twenty-three thousand, nine hundred thirteen".