123213322 has 4 divisors (see below), whose sum is σ = 184819986. Its totient is φ = 61606660.

The previous prime is 123213289. The next prime is 123213401. The reversal of 123213322 is 223312321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 223312321 = 1877 ⋅118973.

It can be written as a sum of positive squares in only one way, i.e., 122522761 + 690561 = 11069^2 + 831^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 123213322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30803329 + ... + 30803332.

Almost surely, 2^123213322 is an apocalyptic number.

123213322 is a deficient number, since it is larger than the sum of its proper divisors (61606664).

123213322 is an equidigital number, since it uses as much as digits as its factorization.

123213322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61606663.

The product of its digits is 432, while the sum is 19.

The square root of 123213322 is about 11100.1496386310. The cubic root of 123213322 is about 497.6063215605.

Adding to 123213322 its reverse (223312321), we get a palindrome (346525643).

The spelling of 123213322 in words is "one hundred twenty-three million, two hundred thirteen thousand, three hundred twenty-two".