7123202320 has 160 divisors (see below), whose sum is σ = 18588810240. Its totient is φ = 2520668160.

The previous prime is 7123202311. The next prime is 7123202347. The reversal of 7123202320 is 232023217.

It is a super-2 number, since 2×7123202320² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7123202291 and 7123202300.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3513147 + ... + 3515173.

It is an arithmetic number, because the mean of its divisors is an integer number (116180064).

Almost surely, 2^7123202320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7123202320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9294405120).

7123202320 is an abundant number, since it is smaller than the sum of its proper divisors (11465607920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7123202320 is a wasteful number, since it uses less digits than its factorization.

7123202320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193 (or 2187 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 7123202320 is about 84399.0658716078. The cubic root of 7123202320 is about 1924.0887187274.

Adding to 7123202320 its reverse (232023217), we get a palindrome (7355225537).

The spelling of 7123202320 in words is "seven billion, one hundred twenty-three million, two hundred two thousand, three hundred twenty".