7130723 has 8 divisors (see below), whose sum is σ = 7436880. Its totient is φ = 6828640.

The previous prime is 7130707. The next prime is 7130729. The reversal of 7130723 is 3270317.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7130723 - 2⁴ = 7130707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7130729) 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 7 ways as a sum of consecutive naturals, for example, 2861 + ... + 4737.

It is an arithmetic number, because the mean of its divisors is an integer number (929610).

Almost surely, 2^7130723 is an apocalyptic number.

7130723 is a deficient number, since it is larger than the sum of its proper divisors (306157).

7130723 is a wasteful number, since it uses less digits than its factorization.

7130723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037.

The product of its (nonzero) digits is 882, while the sum is 23.

The square root of 7130723 is about 2670.3413639458. The cubic root of 7130723 is about 192.4765631781.

The spelling of 7130723 in words is "seven million, one hundred thirty thousand, seven hundred twenty-three".