7130823 has 24 divisors (see below), whose sum is σ = 11162880. Its totient is φ = 4037040.

The previous prime is 7130813. The next prime is 7130861. The reversal of 7130823 is 3280317.

It is not a de Polignac number, because 7130823 - 2⁴ = 7130807 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7130793 and 7130802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7130813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26178 + ... + 26448.

It is an arithmetic number, because the mean of its divisors is an integer number (465120).

Almost surely, 2^7130823 is an apocalyptic number.

7130823 is a deficient number, since it is larger than the sum of its proper divisors (4032057).

7130823 is a wasteful number, since it uses less digits than its factorization.

7130823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 7130823 is about 2670.3600880780. The cubic root of 7130823 is about 192.4774629263.

The spelling of 7130823 in words is "seven million, one hundred thirty thousand, eight hundred twenty-three".