421120240183 has 2 divisors, whose sum is σ = 421120240184. Its totient is φ = 421120240182.

The previous prime is 421120240169. The next prime is 421120240193. The reversal of 421120240183 is 381042021124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 421120240183 - 2⁹ = 421120239671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421120240103) 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, 210560120091 + 210560120092.

It is an arithmetic number, because the mean of its divisors is an integer number (210560120092).

Almost surely, 2^421120240183 is an apocalyptic number.

421120240183 is a deficient number, since it is larger than the sum of its proper divisors (1).

421120240183 is an equidigital number, since it uses as much as digits as its factorization.

421120240183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 28.

The spelling of 421120240183 in words is "four hundred twenty-one billion, one hundred twenty million, two hundred forty thousand, one hundred eighty-three".