421371323 has 2 divisors, whose sum is σ = 421371324. Its totient is φ = 421371322.

The previous prime is 421371287. The next prime is 421371337. The reversal of 421371323 is 323173124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 421371323 - 2¹⁴ = 421354939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 421371292 and 421371301.

It is not a weakly prime, because it can be changed into another prime (421361323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210685661 + 210685662.

It is an arithmetic number, because the mean of its divisors is an integer number (210685662).

Almost surely, 2^421371323 is an apocalyptic number.

421371323 is a deficient number, since it is larger than the sum of its proper divisors (1).

421371323 is an equidigital number, since it uses as much as digits as its factorization.

421371323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 26.

The square root of 421371323 is about 20527.3311221893. The cubic root of 421371323 is about 749.7014058786.

The spelling of 421371323 in words is "four hundred twenty-one million, three hundred seventy-one thousand, three hundred twenty-three".