100404223987 has 2 divisors, whose sum is σ = 100404223988. Its totient is φ = 100404223986.

The previous prime is 100404223963. The next prime is 100404224003. The reversal of 100404223987 is 789322404001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100404223987 is a prime.

It is not a weakly prime, because it can be changed into another prime (100404223937) 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, 50202111993 + 50202111994.

It is an arithmetic number, because the mean of its divisors is an integer number (50202111994).

Almost surely, 2^100404223987 is an apocalyptic number.

100404223987 is a deficient number, since it is larger than the sum of its proper divisors (1).

100404223987 is an equidigital number, since it uses as much as digits as its factorization.

100404223987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 40.

Adding to 100404223987 its reverse (789322404001), we get a palindrome (889726627988).

The spelling of 100404223987 in words is "one hundred billion, four hundred four million, two hundred twenty-three thousand, nine hundred eighty-seven".