123413123442 has 32 divisors (see below), whose sum is σ = 283184779392. Its totient is φ = 35123687424.

The previous prime is 123413123429. The next prime is 123413123443. The reversal of 123413123442 is 244321314321.

It is not an unprimeable number, because it can be changed into a prime (123413123443) 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, 5705953 + ... + 5727540.

It is an arithmetic number, because the mean of its divisors is an integer number (8849524356).

Almost surely, 2^123413123442 is an apocalyptic number.

123413123442 is an abundant number, since it is smaller than the sum of its proper divisors (159771655950).

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

123413123442 is a wasteful number, since it uses less digits than its factorization.

123413123442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11433762.

The product of its digits is 13824, while the sum is 30.

Adding to 123413123442 its reverse (244321314321), we get a palindrome (367734437763).

The spelling of 123413123442 in words is "one hundred twenty-three billion, four hundred thirteen million, one hundred twenty-three thousand, four hundred forty-two".