423003344 has 20 divisors (see below), whose sum is σ = 819919620. Its totient is φ = 211411200.

The previous prime is 423003293. The next prime is 423003359. The reversal of 423003344 is 443300324.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 176890000 + 246113344 = 13300^2 + 15688^2 .

It is a super-3 number, since 3×423003344³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48812 + ... + 56820.

It is an arithmetic number, because the mean of its divisors is an integer number (40995981).

Almost surely, 2^423003344 is an apocalyptic number.

It is an amenable number.

423003344 is a deficient number, since it is larger than the sum of its proper divisors (396916276).

423003344 is a wasteful number, since it uses less digits than its factorization.

423003344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11318 (or 11312 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 423003344 is about 20567.0450964644. The cubic root of 423003344 is about 750.6680530598.

Adding to 423003344 its reverse (443300324), we get a palindrome (866303668).

The spelling of 423003344 in words is "four hundred twenty-three million, three thousand, three hundred forty-four".