3125390823 has 24 divisors (see below), whose sum is σ = 4782995568. Its totient is φ = 1959804672.

The previous prime is 3125390783. The next prime is 3125390833. The reversal of 3125390823 is 3280935213.

It is not a de Polignac number, because 3125390823 - 2⁹ = 3125390311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125390833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 281740 + ... + 292622.

It is an arithmetic number, because the mean of its divisors is an integer number (199291482).

Almost surely, 2^3125390823 is an apocalyptic number.

3125390823 is a deficient number, since it is larger than the sum of its proper divisors (1657604745).

3125390823 is a wasteful number, since it uses less digits than its factorization.

3125390823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12783 (or 12780 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 3125390823 is about 55905.1949553885. The cubic root of 3125390823 is about 1462.0698144797.

It can be divided in two parts, 3125390 and 823, that added together give a palindrome (3126213).

The spelling of 3125390823 in words is "three billion, one hundred twenty-five million, three hundred ninety thousand, eight hundred twenty-three".