7115723 has 4 divisors (see below), whose sum is σ = 7178808. Its totient is φ = 7052640.

The previous prime is 7115687. The next prime is 7115737. The reversal of 7115723 is 3275117.

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 7115723 - 2¹⁰ = 7114699 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7115692 and 7115701.

It is not an unprimeable number, because it can be changed into a prime (7115743) 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 3 ways as a sum of consecutive naturals, for example, 31373 + ... + 31598.

It is an arithmetic number, because the mean of its divisors is an integer number (1794702).

Almost surely, 2^7115723 is an apocalyptic number.

7115723 is a deficient number, since it is larger than the sum of its proper divisors (63085).

7115723 is a wasteful number, since it uses less digits than its factorization.

7115723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63084.

The product of its digits is 1470, while the sum is 26.

The square root of 7115723 is about 2667.5312556744. The cubic root of 7115723 is about 192.3415055661.

Subtracting from 7115723 its reverse (3275117), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 7115723 in words is "seven million, one hundred fifteen thousand, seven hundred twenty-three".