2523478673 has 12 divisors (see below), whose sum is σ = 2693287440. Its totient is φ = 2357820576.

The previous prime is 2523478669. The next prime is 2523478721. The reversal of 2523478673 is 3768743252.

It is not a de Polignac number, because 2523478673 - 2² = 2523478669 is a prime.

It is a super-2 number, since 2×2523478673² = 12735889226171681858, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2523478973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88790 + ... + 113712.

It is an arithmetic number, because the mean of its divisors is an integer number (224440620).

Almost surely, 2^2523478673 is an apocalyptic number.

It is an amenable number.

2523478673 is a deficient number, since it is larger than the sum of its proper divisors (169808767).

2523478673 is an equidigital number, since it uses as much as digits as its factorization.

2523478673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25088 (or 25015 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 47.

The square root of 2523478673 is about 50234.2380553343. The cubic root of 2523478673 is about 1361.4443049018. Note that the first 3 decimals are identical.

The spelling of 2523478673 in words is "two billion, five hundred twenty-three million, four hundred seventy-eight thousand, six hundred seventy-three".