63611323 has 4 divisors (see below), whose sum is σ = 63763560. Its totient is φ = 63459088.

The previous prime is 63611311. The next prime is 63611329. The reversal of 63611323 is 32311636.

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 63611323 - 2⁵ = 63611291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63611329) 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, 75490 + ... + 76327.

It is an arithmetic number, because the mean of its divisors is an integer number (15940890).

Almost surely, 2^63611323 is an apocalyptic number.

63611323 is a deficient number, since it is larger than the sum of its proper divisors (152237).

63611323 is a wasteful number, since it uses less digits than its factorization.

63611323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152236.

The product of its digits is 1944, while the sum is 25.

The square root of 63611323 is about 7975.6706928007. The cubic root of 63611323 is about 399.1886114846.

Adding to 63611323 its reverse (32311636), we get a palindrome (95922959).

The spelling of 63611323 in words is "sixty-three million, six hundred eleven thousand, three hundred twenty-three".