47992723 has 2 divisors, whose sum is σ = 47992724. Its totient is φ = 47992722.

The previous prime is 47992691. The next prime is 47992733. The reversal of 47992723 is 32729974.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47992723 - 2⁵ = 47992691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47992723.

It is not a weakly prime, because it can be changed into another prime (47992733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23996361 + 23996362.

It is an arithmetic number, because the mean of its divisors is an integer number (23996362).

Almost surely, 2^47992723 is an apocalyptic number.

47992723 is a deficient number, since it is larger than the sum of its proper divisors (1).

47992723 is an equidigital number, since it uses as much as digits as its factorization.

47992723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 43.

The square root of 47992723 is about 6927.6780381308. The cubic root of 47992723 is about 363.4057521014.

The spelling of 47992723 in words is "forty-seven million, nine hundred ninety-two thousand, seven hundred twenty-three".