5216123428 has 24 divisors (see below), whose sum is σ = 9832111520. Its totient is φ = 2413333440.

The previous prime is 5216123377. The next prime is 5216123431. The reversal of 5216123428 is 8243216125.

It is a super-2 number, since 2×5216123428² = 54415887232260942368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5216123393 and 5216123402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 794793 + ... + 801328.

Almost surely, 2^5216123428 is an apocalyptic number.

It is an amenable number.

5216123428 is a deficient number, since it is larger than the sum of its proper divisors (4615988092).

5216123428 is a wasteful number, since it uses less digits than its factorization.

5216123428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596187 (or 1596185 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 5216123428 is about 72222.7348415996. The cubic root of 5216123428 is about 1734.2669713600.

The spelling of 5216123428 in words is "five billion, two hundred sixteen million, one hundred twenty-three thousand, four hundred twenty-eight".