421323059 has 2 divisors, whose sum is σ = 421323060. Its totient is φ = 421323058.

The previous prime is 421323031. The next prime is 421323061. The reversal of 421323059 is 950323124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 421323059 - 2²⁰ = 420274483 is a prime.

Together with 421323061, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (421323029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210661529 + 210661530.

It is an arithmetic number, because the mean of its divisors is an integer number (210661530).

Almost surely, 2^421323059 is an apocalyptic number.

421323059 is a deficient number, since it is larger than the sum of its proper divisors (1).

421323059 is an equidigital number, since it uses as much as digits as its factorization.

421323059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 421323059 is about 20526.1554851365. The cubic root of 421323059 is about 749.6727811097.

It can be divided in two parts, 4213 and 23059, that added together give a palindrome (27272).

The spelling of 421323059 in words is "four hundred twenty-one million, three hundred twenty-three thousand, fifty-nine".