123244142 has 32 divisors (see below), whose sum is σ = 219395520. Its totient is φ = 50803200.

The previous prime is 123244141. The next prime is 123244159. The reversal of 123244142 is 241442321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123244141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162428 + ... + 163184.

It is an arithmetic number, because the mean of its divisors is an integer number (6856110).

Almost surely, 2^123244142 is an apocalyptic number.

123244142 is a deficient number, since it is larger than the sum of its proper divisors (96151378).

123244142 is a wasteful number, since it uses less digits than its factorization.

123244142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196.

The product of its digits is 1536, while the sum is 23.

The square root of 123244142 is about 11101.5378214011. The cubic root of 123244142 is about 497.6478077354.

Adding to 123244142 its reverse (241442321), we get a palindrome (364686463).

The spelling of 123244142 in words is "one hundred twenty-three million, two hundred forty-four thousand, one hundred forty-two".