420313323 has 4 divisors (see below), whose sum is σ = 560417768. Its totient is φ = 280208880.

The previous prime is 420313297. The next prime is 420313379. The reversal of 420313323 is 323313024.

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

It is not a de Polignac number, because 420313323 - 2²¹ = 418216171 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420313323.

It is not an unprimeable number, because it can be changed into a prime (420311323) 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, 70052218 + ... + 70052223.

It is an arithmetic number, because the mean of its divisors is an integer number (140104442).

Almost surely, 2^420313323 is an apocalyptic number.

420313323 is a deficient number, since it is larger than the sum of its proper divisors (140104445).

420313323 is a wasteful number, since it uses less digits than its factorization.

420313323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140104444.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 420313323 is about 20501.5444052393. The cubic root of 420313323 is about 749.0734175090.

Adding to 420313323 its reverse (323313024), we get a palindrome (743626347).

It can be divided in two parts, 42031 and 3323, that added together give a palindrome (45354).

The spelling of 420313323 in words is "four hundred twenty million, three hundred thirteen thousand, three hundred twenty-three".