100400323027 has 2 divisors, whose sum is σ = 100400323028. Its totient is φ = 100400323026.

The previous prime is 100400322989. The next prime is 100400323039. The reversal of 100400323027 is 720323004001.

It is a strong prime.

It is an emirp because it is prime and its reverse (720323004001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100400323027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100400322989 and 100400323007.

It is not a weakly prime, because it can be changed into another prime (100400323057) 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, 50200161513 + 50200161514.

It is an arithmetic number, because the mean of its divisors is an integer number (50200161514).

Almost surely, 2^100400323027 is an apocalyptic number.

100400323027 is a deficient number, since it is larger than the sum of its proper divisors (1).

100400323027 is an equidigital number, since it uses as much as digits as its factorization.

100400323027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

Adding to 100400323027 its reverse (720323004001), we get a palindrome (820723327028).

The spelling of 100400323027 in words is "one hundred billion, four hundred million, three hundred twenty-three thousand, twenty-seven".