3140723 has 4 divisors (see below), whose sum is σ = 3217368. Its totient is φ = 3064080.

The previous prime is 3140717. The next prime is 3140741. The reversal of 3140723 is 3270413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3270413 = 19 ⋅172127.

It is a cyclic number.

It is not a de Polignac number, because 3140723 - 2⁶ = 3140659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3140695 and 3140704.

It is not an unprimeable number, because it can be changed into a prime (3140713) 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, 38261 + ... + 38342.

It is an arithmetic number, because the mean of its divisors is an integer number (804342).

Almost surely, 2^3140723 is an apocalyptic number.

3140723 is a deficient number, since it is larger than the sum of its proper divisors (76645).

3140723 is an equidigital number, since it uses as much as digits as its factorization.

3140723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76644.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 3140723 is about 1772.2085091772. The cubic root of 3140723 is about 146.4456732639.

The spelling of 3140723 in words is "three million, one hundred forty thousand, seven hundred twenty-three".