828406423 has 4 divisors (see below), whose sum is σ = 892130008. Its totient is φ = 764682840.

The previous prime is 828406417. The next prime is 828406427. The reversal of 828406423 is 324604828.

828406423 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 not a de Polignac number, because 828406423 - 2⁵ = 828406391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828406427) 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, 31861773 + ... + 31861798.

It is an arithmetic number, because the mean of its divisors is an integer number (223032502).

Almost surely, 2^828406423 is an apocalyptic number.

828406423 is a deficient number, since it is larger than the sum of its proper divisors (63723585).

828406423 is a wasteful number, since it uses less digits than its factorization.

828406423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63723584.

The product of its (nonzero) digits is 73728, while the sum is 37.

The square root of 828406423 is about 28782.0503612929. The cubic root of 828406423 is about 939.1778018743.

The spelling of 828406423 in words is "eight hundred twenty-eight million, four hundred six thousand, four hundred twenty-three".