47319523 has 2 divisors, whose sum is σ = 47319524. Its totient is φ = 47319522.

The previous prime is 47319509. The next prime is 47319563. The reversal of 47319523 is 32591374.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47319523 - 2⁵ = 47319491 is a prime.

It is not a weakly prime, because it can be changed into another prime (47319563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23659761 + 23659762.

It is an arithmetic number, because the mean of its divisors is an integer number (23659762).

Almost surely, 2^47319523 is an apocalyptic number.

47319523 is a deficient number, since it is larger than the sum of its proper divisors (1).

47319523 is an equidigital number, since it uses as much as digits as its factorization.

47319523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 34.

The square root of 47319523 is about 6878.9187377087. The cubic root of 47319523 is about 361.6985652408.

The spelling of 47319523 in words is "forty-seven million, three hundred nineteen thousand, five hundred twenty-three".