100220023243 has 2 divisors, whose sum is σ = 100220023244. Its totient is φ = 100220023242.

The previous prime is 100220023187. The next prime is 100220023357. The reversal of 100220023243 is 342320022001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100220023243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100220023243.

It is not a weakly prime, because it can be changed into another prime (100220023643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50110011621 + 50110011622.

It is an arithmetic number, because the mean of its divisors is an integer number (50110011622).

Almost surely, 2^100220023243 is an apocalyptic number.

100220023243 is a deficient number, since it is larger than the sum of its proper divisors (1).

100220023243 is an equidigital number, since it uses as much as digits as its factorization.

100220023243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 100220023243 its reverse (342320022001), we get a palindrome (442540045244).

The spelling of 100220023243 in words is "one hundred billion, two hundred twenty million, twenty-three thousand, two hundred forty-three".