423213333 has 16 divisors (see below), whose sum is σ = 594886656. Its totient is φ = 267228720.

The previous prime is 423213299. The next prime is 423213341. The reversal of 423213333 is 333312324.

It is a happy number.

It is not a de Polignac number, because 423213333 - 2¹⁶ = 423147797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423213433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44041 + ... + 52782.

It is an arithmetic number, because the mean of its divisors is an integer number (37180416).

Almost surely, 2^423213333 is an apocalyptic number.

It is an amenable number.

423213333 is a deficient number, since it is larger than the sum of its proper divisors (171673323).

423213333 is a wasteful number, since it uses less digits than its factorization.

423213333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96904.

The product of its digits is 3888, while the sum is 24.

The square root of 423213333 is about 20572.1494501668. The cubic root of 423213333 is about 750.7922490495.

Adding to 423213333 its reverse (333312324), we get a palindrome (756525657).

It can be divided in two parts, 42321 and 3333, that added together give a palindrome (45654).

The spelling of 423213333 in words is "four hundred twenty-three million, two hundred thirteen thousand, three hundred thirty-three".