100424123442 has 12 divisors (see below), whose sum is σ = 217585600830. Its totient is φ = 33474707808.

The previous prime is 100424123431. The next prime is 100424123549. The reversal of 100424123442 is 244321424001.

100424123442 is a `hidden beast` number, since 1 + 0 + 0 + 424 + 1 + 234 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 80163163161 + 20260960281 = 283131^2 + 142341^2 .

It is a super-3 number, since 3×100424123442³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2789558967 + ... + 2789559002.

Almost surely, 2^100424123442 is an apocalyptic number.

100424123442 is an abundant number, since it is smaller than the sum of its proper divisors (117161477388).

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

100424123442 is a wasteful number, since it uses less digits than its factorization.

100424123442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5579117977 (or 5579117974 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 100424123442 its reverse (244321424001), we get a palindrome (344745547443).

The spelling of 100424123442 in words is "one hundred billion, four hundred twenty-four million, one hundred twenty-three thousand, four hundred forty-two".