63605423 has 4 divisors (see below), whose sum is σ = 72691920. Its totient is φ = 54518928.

The previous prime is 63605413. The next prime is 63605453. The reversal of 63605423 is 32450636.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63605423 - 2⁸ = 63605167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63605413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4543238 + ... + 4543251.

It is an arithmetic number, because the mean of its divisors is an integer number (18172980).

Almost surely, 2^63605423 is an apocalyptic number.

63605423 is a deficient number, since it is larger than the sum of its proper divisors (9086497).

63605423 is an equidigital number, since it uses as much as digits as its factorization.

63605423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9086496.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 63605423 is about 7975.3008093739. The cubic root of 63605423 is about 399.1762694176.

The spelling of 63605423 in words is "sixty-three million, six hundred five thousand, four hundred twenty-three".