63112223 has 4 divisors (see below), whose sum is σ = 63976848. Its totient is φ = 62247600.

The previous prime is 63112183. The next prime is 63112267. The reversal of 63112223 is 32221136.

It is a happy number.

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 63112223 - 2⁸ = 63111967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63112195 and 63112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63112723) 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, 432203 + ... + 432348.

It is an arithmetic number, because the mean of its divisors is an integer number (15994212).

Almost surely, 2^63112223 is an apocalyptic number.

63112223 is a deficient number, since it is larger than the sum of its proper divisors (864625).

63112223 is an equidigital number, since it uses as much as digits as its factorization.

63112223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864624.

The product of its digits is 432, while the sum is 20.

The square root of 63112223 is about 7944.3201722992. The cubic root of 63112223 is about 398.1418461097.

Adding to 63112223 its reverse (32221136), we get a palindrome (95333359).

The spelling of 63112223 in words is "sixty-three million, one hundred twelve thousand, two hundred twenty-three".