100420446123 has 6 divisors (see below), whose sum is σ = 145051755524. Its totient is φ = 66946964076.

The previous prime is 100420446101. The next prime is 100420446149. The reversal of 100420446123 is 321644024001.

It is a happy number.

100420446123 is a `hidden beast` number, since 1 + 0 + 0 + 4 + 2 + 0 + 44 + 612 + 3 = 666.

It is not a de Polignac number, because 100420446123 - 2⁶ = 100420446059 is a prime.

It is a super-2 number, since 2×100420446123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100420446163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5578913665 + ... + 5578913682.

Almost surely, 2^100420446123 is an apocalyptic number.

100420446123 is a deficient number, since it is larger than the sum of its proper divisors (44631309401).

100420446123 is a wasteful number, since it uses less digits than its factorization.

100420446123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11157827353 (or 11157827350 counting only the distinct ones).

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

The spelling of 100420446123 in words is "one hundred billion, four hundred twenty million, four hundred forty-six thousand, one hundred twenty-three".