123111422 has 24 divisors (see below), whose sum is σ = 215220600. Its totient is φ = 52662960.

The previous prime is 123111389. The next prime is 123111427. The reversal of 123111422 is 224111321.

It is a self number, because there is not a number n which added to its sum of digits gives 123111422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123111427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78704 + ... + 80252.

It is an arithmetic number, because the mean of its divisors is an integer number (8967525).

Almost surely, 2^123111422 is an apocalyptic number.

123111422 is a deficient number, since it is larger than the sum of its proper divisors (92109178).

123111422 is a wasteful number, since it uses less digits than its factorization.

123111422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2376 (or 2369 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 123111422 is about 11095.5586610139. The cubic root of 123111422 is about 497.4691067742.

Adding to 123111422 its reverse (224111321), we get a palindrome (347222743).

The spelling of 123111422 in words is "one hundred twenty-three million, one hundred eleven thousand, four hundred twenty-two".