47722523 has 2 divisors, whose sum is σ = 47722524. Its totient is φ = 47722522.

The previous prime is 47722517. The next prime is 47722537. The reversal of 47722523 is 32522774.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47722523 - 2⁶ = 47722459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47722523.

It is not a weakly prime, because it can be changed into another prime (47722583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23861261 + 23861262.

It is an arithmetic number, because the mean of its divisors is an integer number (23861262).

Almost surely, 2^47722523 is an apocalyptic number.

47722523 is a deficient number, since it is larger than the sum of its proper divisors (1).

47722523 is an equidigital number, since it uses as much as digits as its factorization.

47722523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 32.

The square root of 47722523 is about 6908.1490285025. The cubic root of 47722523 is about 362.7224742947.

The spelling of 47722523 in words is "forty-seven million, seven hundred twenty-two thousand, five hundred twenty-three".