6999923 has 8 divisors (see below), whose sum is σ = 8421120. Its totient is φ = 5684040.

The previous prime is 6999911. The next prime is 6999929. The reversal of 6999923 is 3299996.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6999923 - 2¹⁶ = 6934387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6999929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26183 + ... + 26448.

It is an arithmetic number, because the mean of its divisors is an integer number (1052640).

Almost surely, 2^6999923 is an apocalyptic number.

6999923 is a deficient number, since it is larger than the sum of its proper divisors (1421197).

6999923 is a wasteful number, since it uses less digits than its factorization.

6999923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52657.

The product of its digits is 236196, while the sum is 47.

The square root of 6999923 is about 2645.7367593924. The cubic root of 6999923 is about 191.2924168666.

The spelling of 6999923 in words is "six million, nine hundred ninety-nine thousand, nine hundred twenty-three".