1115723 has 4 divisors (see below), whose sum is σ = 1275120. Its totient is φ = 956328.

The previous prime is 1115713. The next prime is 1115731. The reversal of 1115723 is 3275111.

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 1115723 - 2⁸ = 1115467 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1115695 and 1115704.

It is not an unprimeable number, because it can be changed into a prime (1115713) 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, 79688 + ... + 79701.

It is an arithmetic number, because the mean of its divisors is an integer number (318780).

2^1115723 is an apocalyptic number.

1115723 is a deficient number, since it is larger than the sum of its proper divisors (159397).

1115723 is an equidigital number, since it uses as much as digits as its factorization.

1115723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159396.

The product of its digits is 210, while the sum is 20.

The square root of 1115723 is about 1056.2778990398. The cubic root of 1115723 is about 103.7175211637.

The spelling of 1115723 in words is "one million, one hundred fifteen thousand, seven hundred twenty-three".