7123666337 has 6 divisors (see below), whose sum is σ = 7293187602. Its totient is φ = 6957997872.

The previous prime is 7123666331. The next prime is 7123666357. The reversal of 7123666337 is 7336663217.

It can be written as a sum of positive squares in only one way, i.e., 5904539281 + 1219127056 = 76841^2 + 34916^2 .

It is not a de Polignac number, because 7123666337 - 2¹⁰ = 7123665313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7123666331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1924508 + ... + 1928205.

It is an arithmetic number, because the mean of its divisors is an integer number (1215531267).

Almost surely, 2^7123666337 is an apocalyptic number.

It is an amenable number.

7123666337 is a deficient number, since it is larger than the sum of its proper divisors (169521265).

7123666337 is an equidigital number, since it uses as much as digits as its factorization.

7123666337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3852799 (or 3852756 counting only the distinct ones).

The product of its digits is 571536, while the sum is 44.

The square root of 7123666337 is about 84401.8147731434. The cubic root of 7123666337 is about 1924.1304972445.

The spelling of 7123666337 in words is "seven billion, one hundred twenty-three million, six hundred sixty-six thousand, three hundred thirty-seven".