47708723 has 2 divisors, whose sum is σ = 47708724. Its totient is φ = 47708722.

The previous prime is 47708711. The next prime is 47708747. The reversal of 47708723 is 32780774.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47708723 - 2¹⁴ = 47692339 is a prime.

It is a super-2 number, since 2×47708723² = 4552244500581458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47708123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23854361 + 23854362.

It is an arithmetic number, because the mean of its divisors is an integer number (23854362).

Almost surely, 2^47708723 is an apocalyptic number.

47708723 is a deficient number, since it is larger than the sum of its proper divisors (1).

47708723 is an equidigital number, since it uses as much as digits as its factorization.

47708723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65856, while the sum is 38.

The square root of 47708723 is about 6907.1501359099. The cubic root of 47708723 is about 362.6875079071.

The spelling of 47708723 in words is "forty-seven million, seven hundred eight thousand, seven hundred twenty-three".