3115723 has 4 divisors (see below), whose sum is σ = 3355408. Its totient is φ = 2876040.

The previous prime is 3115667. The next prime is 3115727. The reversal of 3115723 is 3275113.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3115723 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3115694 and 3115703.

It is not an unprimeable number, because it can be changed into a prime (3115727) 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, 119823 + ... + 119848.

It is an arithmetic number, because the mean of its divisors is an integer number (838852).

Almost surely, 2^3115723 is an apocalyptic number.

3115723 is a deficient number, since it is larger than the sum of its proper divisors (239685).

3115723 is a wasteful number, since it uses less digits than its factorization.

3115723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239684.

The product of its digits is 630, while the sum is 22.

The square root of 3115723 is about 1765.1410708496. The cubic root of 3115723 is about 146.0560709135.

The spelling of 3115723 in words is "three million, one hundred fifteen thousand, seven hundred twenty-three".