7123648836 has 24 divisors (see below), whose sum is σ = 17008403104. Its totient is φ = 2319327360.

The previous prime is 7123648783. The next prime is 7123648837. The reversal of 7123648836 is 6388463217.

It is not an unprimeable number, because it can be changed into a prime (7123648837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6902245 + ... + 6903276.

Almost surely, 2^7123648836 is an apocalyptic number.

It is an amenable number.

7123648836 is an abundant number, since it is smaller than the sum of its proper divisors (9884754268).

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

7123648836 is a wasteful number, since it uses less digits than its factorization.

7123648836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13805571 (or 13805569 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 48.

The square root of 7123648836 is about 84401.7110963990. The cubic root of 7123648836 is about 1924.1289215467.

The spelling of 7123648836 in words is "seven billion, one hundred twenty-three million, six hundred forty-eight thousand, eight hundred thirty-six".