123421322 has 4 divisors (see below), whose sum is σ = 185131986. Its totient is φ = 61710660.

The previous prime is 123421271. The next prime is 123421327. The reversal of 123421322 is 223124321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 223124321 = 7 ⋅31874903.

It can be written as a sum of positive squares in only one way, i.e., 98029801 + 25391521 = 9901^2 + 5039^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123421294 and 123421303.

It is not an unprimeable number, because it can be changed into a prime (123421327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30855329 + ... + 30855332.

Almost surely, 2^123421322 is an apocalyptic number.

123421322 is a deficient number, since it is larger than the sum of its proper divisors (61710664).

123421322 is an equidigital number, since it uses as much as digits as its factorization.

123421322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61710663.

The product of its digits is 576, while the sum is 20.

The square root of 123421322 is about 11109.5149309049. The cubic root of 123421322 is about 497.8861720564.

Adding to 123421322 its reverse (223124321), we get a palindrome (346545643).

The spelling of 123421322 in words is "one hundred twenty-three million, four hundred twenty-one thousand, three hundred twenty-two".