1197723 has 4 divisors (see below), whose sum is σ = 1596968. Its totient is φ = 798480.

The previous prime is 1197709. The next prime is 1197739. The reversal of 1197723 is 3277911.

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

It is not a de Polignac number, because 1197723 - 2⁸ = 1197467 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1197743) 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, 199618 + ... + 199623.

It is an arithmetic number, because the mean of its divisors is an integer number (399242).

2^1197723 is an apocalyptic number.

1197723 is a deficient number, since it is larger than the sum of its proper divisors (399245).

1197723 is an equidigital number, since it uses as much as digits as its factorization.

1197723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399244.

The product of its digits is 2646, while the sum is 30.

The square root of 1197723 is about 1094.4053179695. The cubic root of 1197723 is about 106.1986012066.

The spelling of 1197723 in words is "one million, one hundred ninety-seven thousand, seven hundred twenty-three".