897723 has 10 divisors (see below), whose sum is σ = 1341164. Its totient is φ = 598428.

The previous prime is 897709. The next prime is 897727. The reversal of 897723 is 327798.

It is not a de Polignac number, because 897723 - 2⁴ = 897707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (897727) 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 9 ways as a sum of consecutive naturals, for example, 5461 + ... + 5622.

2⁸⁹⁷⁷²³ is an apocalyptic number.

897723 is a deficient number, since it is larger than the sum of its proper divisors (443441).

897723 is a wasteful number, since it uses less digits than its factorization.

897723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11095 (or 11086 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 897723 is about 947.4824536634. The cubic root of 897723 is about 96.4674467591.

The spelling of 897723 in words is "eight hundred ninety-seven thousand, seven hundred twenty-three".