123980828 has 12 divisors (see below), whose sum is σ = 217052640. Its totient is φ = 61965792.

The previous prime is 123980819. The next prime is 123980849. The reversal of 123980828 is 828089321.

It is a happy number.

It is a congruent number.

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, 9725 + ... + 18507.

It is an arithmetic number, because the mean of its divisors is an integer number (18087720).

Almost surely, 2^123980828 is an apocalyptic number.

It is an amenable number.

123980828 is a deficient number, since it is larger than the sum of its proper divisors (93071812).

123980828 is a wasteful number, since it uses less digits than its factorization.

123980828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12316 (or 12314 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 123980828 is about 11134.6678441703. The cubic root of 123980828 is about 498.6373939829.

The spelling of 123980828 in words is "one hundred twenty-three million, nine hundred eighty thousand, eight hundred twenty-eight".