421253323 has 4 divisors (see below), whose sum is σ = 421336240. Its totient is φ = 421170408.

The previous prime is 421253309. The next prime is 421253401. The reversal of 421253323 is 323352124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 421253323 - 2²⁵ = 387698891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421253023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33303 + ... + 44176.

It is an arithmetic number, because the mean of its divisors is an integer number (105334060).

Almost surely, 2^421253323 is an apocalyptic number.

421253323 is a deficient number, since it is larger than the sum of its proper divisors (82917).

421253323 is an equidigital number, since it uses as much as digits as its factorization.

421253323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82916.

The product of its digits is 4320, while the sum is 25.

The square root of 421253323 is about 20524.4567041371. The cubic root of 421253323 is about 749.6314177073.

The spelling of 421253323 in words is "four hundred twenty-one million, two hundred fifty-three thousand, three hundred twenty-three".