123425442 has 24 divisors (see below), whose sum is σ = 305625216. Its totient is φ = 35264376.

The previous prime is 123425417. The next prime is 123425453. The reversal of 123425442 is 244524321.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 489658 + ... + 489909.

It is an arithmetic number, because the mean of its divisors is an integer number (12734384).

Almost surely, 2^123425442 is an apocalyptic number.

123425442 is an abundant number, since it is smaller than the sum of its proper divisors (182199774).

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

123425442 is a wasteful number, since it uses less digits than its factorization.

123425442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979582 (or 979579 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 123425442 is about 11109.7003559952. The cubic root of 123425442 is about 497.8917120721.

Adding to 123425442 its reverse (244524321), we get a palindrome (367949763).

The spelling of 123425442 in words is "one hundred twenty-three million, four hundred twenty-five thousand, four hundred forty-two".