423333373 has 2 divisors, whose sum is σ = 423333374. Its totient is φ = 423333372.

The previous prime is 423333359. The next prime is 423333413. The reversal of 423333373 is 373333324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 324072004 + 99261369 = 18002^2 + 9963^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423333373 is a prime.

It is a super-2 number, since 2×423333373² = 358422289391114258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423333343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211666686 + 211666687.

It is an arithmetic number, because the mean of its divisors is an integer number (211666687).

Almost surely, 2^423333373 is an apocalyptic number.

It is an amenable number.

423333373 is a deficient number, since it is larger than the sum of its proper divisors (1).

423333373 is an equidigital number, since it uses as much as digits as its factorization.

423333373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 31.

The square root of 423333373 is about 20575.0667799645. The cubic root of 423333373 is about 750.8632271078.

Adding to 423333373 its reverse (373333324), we get a palindrome (796666697).

The spelling of 423333373 in words is "four hundred twenty-three million, three hundred thirty-three thousand, three hundred seventy-three".