123441642 has 24 divisors (see below), whose sum is σ = 268850244. Its totient is φ = 40932864.

The previous prime is 123441631. The next prime is 123441673. The reversal of 123441642 is 246144321.

It is a happy number.

123441642 is a `hidden beast` number, since 12 + 3 + 4 + 4 + 1 + 642 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 103002201 + 20439441 = 10149^2 + 4521^2 .

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, 14293 + ... + 21240.

Almost surely, 2^123441642 is an apocalyptic number.

123441642 is an abundant number, since it is smaller than the sum of its proper divisors (145408602).

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

123441642 is a wasteful number, since it uses less digits than its factorization.

123441642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35734 (or 35731 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 123441642 is about 11110.4294246442. The cubic root of 123441642 is about 497.9134944339.

Adding to 123441642 its reverse (246144321), we get a palindrome (369585963).

The spelling of 123441642 in words is "one hundred twenty-three million, four hundred forty-one thousand, six hundred forty-two".