47331923 has 2 divisors, whose sum is σ = 47331924. Its totient is φ = 47331922.

The previous prime is 47331883. The next prime is 47331931. The reversal of 47331923 is 32913374.

47331923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47331923 - 2¹² = 47327827 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47331923.

It is not a weakly prime, because it can be changed into another prime (47331943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23665961 + 23665962.

It is an arithmetic number, because the mean of its divisors is an integer number (23665962).

Almost surely, 2^47331923 is an apocalyptic number.

47331923 is a deficient number, since it is larger than the sum of its proper divisors (1).

47331923 is an equidigital number, since it uses as much as digits as its factorization.

47331923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 32.

The square root of 47331923 is about 6879.8199831100. The cubic root of 47331923 is about 361.7301566448.

The spelling of 47331923 in words is "forty-seven million, three hundred thirty-one thousand, nine hundred twenty-three".