47399723 has 16 divisors (see below), whose sum is σ = 58060800. Its totient is φ = 37769856.

The previous prime is 47399719. The next prime is 47399741. The reversal of 47399723 is 32799374.

47399723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 47399723 - 2² = 47399719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47399743) 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 in 15 ways as a sum of consecutive naturals, for example, 7478 + ... + 12276.

It is an arithmetic number, because the mean of its divisors is an integer number (3628800).

Almost surely, 2^47399723 is an apocalyptic number.

47399723 is a deficient number, since it is larger than the sum of its proper divisors (10661077).

47399723 is a wasteful number, since it uses less digits than its factorization.

47399723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4906.

The product of its digits is 285768, while the sum is 44.

The square root of 47399723 is about 6884.7456743151. The cubic root of 47399723 is about 361.9027928000.

The spelling of 47399723 in words is "forty-seven million, three hundred ninety-nine thousand, seven hundred twenty-three".