100215455423 has 2 divisors, whose sum is σ = 100215455424. Its totient is φ = 100215455422.

The previous prime is 100215455393. The next prime is 100215455443. The reversal of 100215455423 is 324554512001.

It is a strong prime.

It is an emirp because it is prime and its reverse (324554512001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100215455423 - 2⁸ = 100215455167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100215455423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100215455443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50107727711 + 50107727712.

It is an arithmetic number, because the mean of its divisors is an integer number (50107727712).

Almost surely, 2^100215455423 is an apocalyptic number.

100215455423 is a deficient number, since it is larger than the sum of its proper divisors (1).

100215455423 is an equidigital number, since it uses as much as digits as its factorization.

100215455423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 100215455423 its reverse (324554512001), we get a palindrome (424769967424).

The spelling of 100215455423 in words is "one hundred billion, two hundred fifteen million, four hundred fifty-five thousand, four hundred twenty-three".