7123763428 has 12 divisors (see below), whose sum is σ = 12472250112. Its totient is φ = 3560263400.

The previous prime is 7123763417. The next prime is 7123763467. The reversal of 7123763428 is 8243673217.

It is a super-2 number, since 2×7123763428² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394648 + ... + 412303.

It is an arithmetic number, because the mean of its divisors is an integer number (1039354176).

Almost surely, 2^7123763428 is an apocalyptic number.

It is an amenable number.

7123763428 is a deficient number, since it is larger than the sum of its proper divisors (5348486684).

7123763428 is a wasteful number, since it uses less digits than its factorization.

7123763428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809162 (or 809160 counting only the distinct ones).

The product of its digits is 338688, while the sum is 43.

The square root of 7123763428 is about 84402.3899424655. The cubic root of 7123763428 is about 1924.1392387594.

The spelling of 7123763428 in words is "seven billion, one hundred twenty-three million, seven hundred sixty-three thousand, four hundred twenty-eight".