100443321023 has 2 divisors, whose sum is σ = 100443321024. Its totient is φ = 100443321022.

The previous prime is 100443320993. The next prime is 100443321047. The reversal of 100443321023 is 320123344001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100443321023 - 2¹² = 100443316927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100443321023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100443351023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50221660511 + 50221660512.

It is an arithmetic number, because the mean of its divisors is an integer number (50221660512).

Almost surely, 2^100443321023 is an apocalyptic number.

100443321023 is a deficient number, since it is larger than the sum of its proper divisors (1).

100443321023 is an equidigital number, since it uses as much as digits as its factorization.

100443321023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 100443321023 its reverse (320123344001), we get a palindrome (420566665024).

The spelling of 100443321023 in words is "one hundred billion, four hundred forty-three million, three hundred twenty-one thousand, twenty-three".