3125642723 has 16 divisors (see below), whose sum is σ = 3713860800. Its totient is φ = 2628557568.

The previous prime is 3125642693. The next prime is 3125642759. The reversal of 3125642723 is 3272465213.

It is not a de Polignac number, because 3125642723 - 2¹⁰ = 3125641699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3125642783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67790 + ... + 104147.

It is an arithmetic number, because the mean of its divisors is an integer number (232116300).

Almost surely, 2^3125642723 is an apocalyptic number.

3125642723 is a deficient number, since it is larger than the sum of its proper divisors (588218077).

3125642723 is an equidigital number, since it uses as much as digits as its factorization.

3125642723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172011 (or 171997 counting only the distinct ones).

The product of its digits is 60480, while the sum is 35.

The square root of 3125642723 is about 55907.4478312148. The cubic root of 3125642723 is about 1462.1090933531.

The spelling of 3125642723 in words is "three billion, one hundred twenty-five million, six hundred forty-two thousand, seven hundred twenty-three".