3125013223 has 4 divisors (see below), whose sum is σ = 3128577400. Its totient is φ = 3121449048.

The previous prime is 3125013169. The next prime is 3125013247. The reversal of 3125013223 is 3223105213.

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-3125013223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3125013194 and 3125013203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125013623) 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 3 ways as a sum of consecutive naturals, for example, 1780773 + ... + 1782526.

It is an arithmetic number, because the mean of its divisors is an integer number (782144350).

Almost surely, 2^3125013223 is an apocalyptic number.

3125013223 is a deficient number, since it is larger than the sum of its proper divisors (3564177).

3125013223 is an equidigital number, since it uses as much as digits as its factorization.

3125013223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3564176.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 3125013223 is about 55901.8177074771. The cubic root of 3125013223 is about 1462.0109311988.

Adding to 3125013223 its reverse (3223105213), we get a palindrome (6348118436).

The spelling of 3125013223 in words is "three billion, one hundred twenty-five million, thirteen thousand, two hundred twenty-three".