3125823 has 32 divisors (see below), whose sum is σ = 4761600. Its totient is φ = 1814400.

The previous prime is 3125821. The next prime is 3125831. The reversal of 3125823 is 3285213.

It is a Cunningham number, because it is equal to 1768²-1.

It is not a de Polignac number, because 3125823 - 2¹ = 3125821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3125793 and 3125802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51213 + ... + 51273.

It is an arithmetic number, because the mean of its divisors is an integer number (148800).

Almost surely, 2^3125823 is an apocalyptic number.

3125823 is a deficient number, since it is larger than the sum of its proper divisors (1635777).

3125823 is a wasteful number, since it uses less digits than its factorization.

3125823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143.

The product of its digits is 1440, while the sum is 24.

The square root of 3125823 is about 1767.9997171945. Note that the first 3 decimals coincide. The cubic root of 3125823 is about 146.2137202726.

The spelling of 3125823 in words is "three million, one hundred twenty-five thousand, eight hundred twenty-three".