100420446243 has 8 divisors (see below), whose sum is σ = 144193461328. Its totient is φ = 61797197664.

The previous prime is 100420446229. The next prime is 100420446263. The reversal of 100420446243 is 342644024001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100420446243 - 2¹³ = 100420438051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100420446243.

It is not an unprimeable number, because it can be changed into a prime (100420446263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1287441580 + ... + 1287441657.

It is an arithmetic number, because the mean of its divisors is an integer number (18024182666).

Almost surely, 2^100420446243 is an apocalyptic number.

100420446243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

100420446243 is a deficient number, since it is larger than the sum of its proper divisors (43773015085).

100420446243 is a wasteful number, since it uses less digits than its factorization.

100420446243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574883253.

The product of its (nonzero) digits is 18432, while the sum is 30.

The spelling of 100420446243 in words is "one hundred billion, four hundred twenty million, four hundred forty-six thousand, two hundred forty-three".