21423002301199 has 2 divisors, whose sum is σ = 21423002301200. Its totient is φ = 21423002301198.

The previous prime is 21423002301187. The next prime is 21423002301251. The reversal of 21423002301199 is 99110320032412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21423002301199 - 2²⁷ = 21422868083471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21423002301299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10711501150599 + 10711501150600.

It is an arithmetic number, because the mean of its divisors is an integer number (10711501150600).

Almost surely, 2^{21423002301199} is an apocalyptic number.

21423002301199 is a deficient number, since it is larger than the sum of its proper divisors (1).

21423002301199 is an equidigital number, since it uses as much as digits as its factorization.

21423002301199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 21423002301199 in words is "twenty-one trillion, four hundred twenty-three billion, two million, three hundred one thousand, one hundred ninety-nine".