828625123 has 4 divisors (see below), whose sum is σ = 832181688. Its totient is φ = 825068560.

The previous prime is 828625103. The next prime is 828625141. The reversal of 828625123 is 321526828.

828625123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-828625123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (828625103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1777933 + ... + 1778398.

It is an arithmetic number, because the mean of its divisors is an integer number (208045422).

Almost surely, 2^828625123 is an apocalyptic number.

828625123 is a deficient number, since it is larger than the sum of its proper divisors (3556565).

828625123 is a wasteful number, since it uses less digits than its factorization.

828625123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3556564.

The product of its digits is 46080, while the sum is 37.

The square root of 828625123 is about 28785.8493534584. The cubic root of 828625123 is about 939.2604425150.

The spelling of 828625123 in words is "eight hundred twenty-eight million, six hundred twenty-five thousand, one hundred twenty-three".