47730923 has 2 divisors, whose sum is σ = 47730924. Its totient is φ = 47730922.

The previous prime is 47730901. The next prime is 47730961. The reversal of 47730923 is 32903774.

47730923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47730923 is a prime.

It is not a weakly prime, because it can be changed into another prime (47730973) 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, 23865461 + 23865462.

It is an arithmetic number, because the mean of its divisors is an integer number (23865462).

Almost surely, 2^47730923 is an apocalyptic number.

47730923 is a deficient number, since it is larger than the sum of its proper divisors (1).

47730923 is an equidigital number, since it uses as much as digits as its factorization.

47730923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 47730923 is about 6908.7569793705. The cubic root of 47730923 is about 362.7437548826.

It can be divided in two parts, 4773092 and 3, that multiplied together give a triangular number (14319276 = T₅₃₅₁).

The spelling of 47730923 in words is "forty-seven million, seven hundred thirty thousand, nine hundred twenty-three".