123133422 has 16 divisors (see below), whose sum is σ = 246489552. Its totient is φ = 41007360.

The previous prime is 123133411. The next prime is 123133427. The reversal of 123133422 is 224331321.

It is a super-2 number, since 2×123133422² = 30323679226860168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123133427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1603 + ... + 15774.

It is an arithmetic number, because the mean of its divisors is an integer number (15405597).

Almost surely, 2^123133422 is an apocalyptic number.

123133422 is an abundant number, since it is smaller than the sum of its proper divisors (123356130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123133422 is a wasteful number, since it uses less digits than its factorization.

123133422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18563.

The product of its digits is 864, while the sum is 21.

The square root of 123133422 is about 11096.5500043933. The cubic root of 123133422 is about 497.4987375708.

Adding to 123133422 its reverse (224331321), we get a palindrome (347464743).

The spelling of 123133422 in words is "one hundred twenty-three million, one hundred thirty-three thousand, four hundred twenty-two".