100244423977 has 2 divisors, whose sum is σ = 100244423978. Its totient is φ = 100244423976.

The previous prime is 100244423969. The next prime is 100244424079. The reversal of 100244423977 is 779324442001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91879309456 + 8365114521 = 303116^2 + 91461^2 .

It is a cyclic number.

It is not a de Polignac number, because 100244423977 - 2³ = 100244423969 is a prime.

It is not a weakly prime, because it can be changed into another prime (100244423927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50122211988 + 50122211989.

It is an arithmetic number, because the mean of its divisors is an integer number (50122211989).

Almost surely, 2^100244423977 is an apocalyptic number.

It is an amenable number.

100244423977 is a deficient number, since it is larger than the sum of its proper divisors (1).

100244423977 is an equidigital number, since it uses as much as digits as its factorization.

100244423977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 43.

Adding to 100244423977 its reverse (779324442001), we get a palindrome (879568865978).

The spelling of 100244423977 in words is "one hundred billion, two hundred forty-four million, four hundred twenty-three thousand, nine hundred seventy-seven".