632220323 has 4 divisors (see below), whose sum is σ = 722537520. Its totient is φ = 541903128.

The previous prime is 632220319. The next prime is 632220367. The reversal of 632220323 is 323022236.

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 632220323 - 2² = 632220319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (632280323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45158588 + ... + 45158601.

It is an arithmetic number, because the mean of its divisors is an integer number (180634380).

Almost surely, 2^632220323 is an apocalyptic number.

632220323 is a deficient number, since it is larger than the sum of its proper divisors (90317197).

632220323 is an equidigital number, since it uses as much as digits as its factorization.

632220323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90317196.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 632220323 is about 25143.9917873038. The cubic root of 632220323 is about 858.2677964813.

Adding to 632220323 its reverse (323022236), we get a palindrome (955242559).

The spelling of 632220323 in words is "six hundred thirty-two million, two hundred twenty thousand, three hundred twenty-three".