47055623 has 2 divisors, whose sum is σ = 47055624. Its totient is φ = 47055622.

The previous prime is 47055611. The next prime is 47055637. The reversal of 47055623 is 32655074.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47055623 - 2⁶ = 47055559 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47055623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47055683) 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, 23527811 + 23527812.

It is an arithmetic number, because the mean of its divisors is an integer number (23527812).

Almost surely, 2^47055623 is an apocalyptic number.

47055623 is a deficient number, since it is larger than the sum of its proper divisors (1).

47055623 is an equidigital number, since it uses as much as digits as its factorization.

47055623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 47055623 is about 6859.7101250709. The cubic root of 47055623 is about 361.0249162392.

The spelling of 47055623 in words is "forty-seven million, fifty-five thousand, six hundred twenty-three".