6700423 has 4 divisors (see below), whose sum is σ = 6810328. Its totient is φ = 6590520.

The previous prime is 6700417. The next prime is 6700489. The reversal of 6700423 is 3240076.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6700423 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6700394 and 6700403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6700403) 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, 54861 + ... + 54982.

It is an arithmetic number, because the mean of its divisors is an integer number (1702582).

Almost surely, 2^6700423 is an apocalyptic number.

6700423 is a deficient number, since it is larger than the sum of its proper divisors (109905).

6700423 is a wasteful number, since it uses less digits than its factorization.

6700423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109904.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 6700423 is about 2588.5175293979. The cubic root of 6700423 is about 188.5243303874.

Adding to 6700423 its reverse (3240076), we get a palindrome (9940499).

The spelling of 6700423 in words is "six million, seven hundred thousand, four hundred twenty-three".