6429623 has 4 divisors (see below), whose sum is σ = 6449040. Its totient is φ = 6410208.

The previous prime is 6429613. The next prime is 6429641. The reversal of 6429623 is 3269246.

6429623 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 6429623 - 2¹² = 6425527 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 6429623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6429613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9203 + ... + 9876.

It is an arithmetic number, because the mean of its divisors is an integer number (1612260).

Almost surely, 2^6429623 is an apocalyptic number.

6429623 is a deficient number, since it is larger than the sum of its proper divisors (19417).

6429623 is a wasteful number, since it uses less digits than its factorization.

6429623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19416.

The product of its digits is 15552, while the sum is 32.

The square root of 6429623 is about 2535.6701283882. The cubic root of 6429623 is about 185.9495662391.

The spelling of 6429623 in words is "six million, four hundred twenty-nine thousand, six hundred twenty-three".