6423911 has 4 divisors (see below), whose sum is σ = 6918072. Its totient is φ = 5929752.

The previous prime is 6423889. The next prime is 6423917. The reversal of 6423911 is 1193246.

6423911 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, and also an emirpimes, since its reverse is a distinct semiprime: 1193246 = 2 ⋅596623.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6423911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6423917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247061 + ... + 247086.

It is an arithmetic number, because the mean of its divisors is an integer number (1729518).

Almost surely, 2^6423911 is an apocalyptic number.

6423911 is a deficient number, since it is larger than the sum of its proper divisors (494161).

6423911 is a wasteful number, since it uses less digits than its factorization.

6423911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494160.

The product of its digits is 1296, while the sum is 26.

The square root of 6423911 is about 2534.5435486493. The cubic root of 6423911 is about 185.8944848027.

The spelling of 6423911 in words is "six million, four hundred twenty-three thousand, nine hundred eleven".