100444521223 has 2 divisors, whose sum is σ = 100444521224. Its totient is φ = 100444521222.

The previous prime is 100444521173. The next prime is 100444521227. The reversal of 100444521223 is 322125444001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100444521223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100444521191 and 100444521200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100444521227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50222260611 + 50222260612.

It is an arithmetic number, because the mean of its divisors is an integer number (50222260612).

Almost surely, 2^100444521223 is an apocalyptic number.

100444521223 is a deficient number, since it is larger than the sum of its proper divisors (1).

100444521223 is an equidigital number, since it uses as much as digits as its factorization.

100444521223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 100444521223 its reverse (322125444001), we get a palindrome (422569965224).

The spelling of 100444521223 in words is "one hundred billion, four hundred forty-four million, five hundred twenty-one thousand, two hundred twenty-three".