2321873 has 8 divisors (see below), whose sum is σ = 2442048. Its totient is φ = 2203344.

The previous prime is 2321863. The next prime is 2321881. The reversal of 2321873 is 3781232.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2321873 is a prime.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (2321863) 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, 3290 + ... + 3932.

It is an arithmetic number, because the mean of its divisors is an integer number (305256).

2^2321873 is an apocalyptic number.

2321873 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2321873 is a deficient number, since it is larger than the sum of its proper divisors (120175).

2321873 is a wasteful number, since it uses less digits than its factorization.

2321873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823.

The product of its digits is 2016, while the sum is 26.

The square root of 2321873 is about 1523.7693394999. The cubic root of 2321873 is about 132.4177346233.

The spelling of 2321873 in words is "two million, three hundred twenty-one thousand, eight hundred seventy-three".