1797023 has 4 divisors (see below), whose sum is σ = 1806528. Its totient is φ = 1787520.

The previous prime is 1797017. The next prime is 1797031. The reversal of 1797023 is 3207971.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1797023 - 2⁶ = 1796959 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 (1797823) 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, 4463 + ... + 4848.

It is an arithmetic number, because the mean of its divisors is an integer number (451632).

2^1797023 is an apocalyptic number.

1797023 is a deficient number, since it is larger than the sum of its proper divisors (9505).

1797023 is an equidigital number, since it uses as much as digits as its factorization.

1797023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9504.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 1797023 is about 1340.5308649934. The cubic root of 1797023 is about 121.5769409978.

The spelling of 1797023 in words is "one million, seven hundred ninety-seven thousand, twenty-three".