63123322 has 4 divisors (see below), whose sum is σ = 94684986. Its totient is φ = 31561660.

The previous prime is 63123257. The next prime is 63123323. The reversal of 63123322 is 22332136.

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

It can be written as a sum of positive squares in only one way, i.e., 57320041 + 5803281 = 7571^2 + 2409^2 .

It is a junction number, because it is equal to n+sod(n) for n = 63123293 and 63123302.

It is not an unprimeable number, because it can be changed into a prime (63123323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15780829 + ... + 15780832.

Almost surely, 2^63123322 is an apocalyptic number.

63123322 is a deficient number, since it is larger than the sum of its proper divisors (31561664).

63123322 is a wasteful number, since it uses less digits than its factorization.

63123322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31561663.

The product of its digits is 1296, while the sum is 22.

The square root of 63123322 is about 7945.0186909786. The cubic root of 63123322 is about 398.1651839943.

Adding to 63123322 its reverse (22332136), we get a palindrome (85455458).

The spelling of 63123322 in words is "sixty-three million, one hundred twenty-three thousand, three hundred twenty-two".