2097923 has 8 divisors (see below), whose sum is σ = 2230800. Its totient is φ = 1967328.

The previous prime is 2097917. The next prime is 2097941. The reversal of 2097923 is 3297902.

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

It is a cyclic number.

It is not a de Polignac number, because 2097923 - 2⁶ = 2097859 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 2097923.

It is not an unprimeable number, because it can be changed into a prime (2097983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1565 + ... + 2577.

It is an arithmetic number, because the mean of its divisors is an integer number (278850).

2^2097923 is an apocalyptic number.

2097923 is a deficient number, since it is larger than the sum of its proper divisors (132877).

2097923 is a wasteful number, since it uses less digits than its factorization.

2097923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 2097923 is about 1448.4208642518. The cubic root of 2097923 is about 128.0156841133.

The spelling of 2097923 in words is "two million, ninety-seven thousand, nine hundred twenty-three".