6423345 has 24 divisors (see below), whose sum is σ = 11193000. Its totient is φ = 3407616.

The previous prime is 6423337. The next prime is 6423367. The reversal of 6423345 is 5433246.

It can be written as a sum of positive squares in 4 ways, for example, as 2585664 + 3837681 = 1608^2 + 1959^2 .

It is not a de Polignac number, because 6423345 - 2³ = 6423337 is a prime.

It is a d-powerful number, because it can be written as 6⁶ + 4⁸ + 2²¹ + 3² + 3⁹ + 4¹¹ + 5 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15501 + ... + 15909.

It is an arithmetic number, because the mean of its divisors is an integer number (466375).

Almost surely, 2^6423345 is an apocalyptic number.

It is an amenable number.

6423345 is a deficient number, since it is larger than the sum of its proper divisors (4769655).

6423345 is a wasteful number, since it uses less digits than its factorization.

6423345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769 (or 766 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 6423345 is about 2534.4318890039. The cubic root of 6423345 is about 185.8890250255.

Subtracting from 6423345 its reverse (5433246), we obtain a palindrome (990099).

It can be divided in two parts, 64 and 23345, that added together give a square (23409 = 153²).

The spelling of 6423345 in words is "six million, four hundred twenty-three thousand, three hundred forty-five".