7123713 has 4 divisors (see below), whose sum is σ = 9498288. Its totient is φ = 4749140.

The previous prime is 7123703. The next prime is 7123729. The reversal of 7123713 is 3173217.

7123713 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3173217 = 3 ⋅1057739.

It is a cyclic number.

It is not a de Polignac number, because 7123713 - 2⁹ = 7123201 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7123703) 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, 1187283 + ... + 1187288.

It is an arithmetic number, because the mean of its divisors is an integer number (2374572).

Almost surely, 2^7123713 is an apocalyptic number.

It is an amenable number.

7123713 is a deficient number, since it is larger than the sum of its proper divisors (2374575).

7123713 is a wasteful number, since it uses less digits than its factorization.

7123713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374574.

The product of its digits is 882, while the sum is 24.

The square root of 7123713 is about 2669.0284749324. The cubic root of 7123713 is about 192.4134698522.

The spelling of 7123713 in words is "seven million, one hundred twenty-three thousand, seven hundred thirteen".