2520606723 has 12 divisors (see below), whose sum is σ = 3440792520. Its totient is φ = 1641321696.

The previous prime is 2520606721. The next prime is 2520606787. The reversal of 2520606723 is 3276060252.

It is a happy number.

It is not a de Polignac number, because 2520606723 - 2¹ = 2520606721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2520606721) 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, 221658 + ... + 232751.

It is an arithmetic number, because the mean of its divisors is an integer number (286732710).

Almost surely, 2^2520606723 is an apocalyptic number.

2520606723 is a deficient number, since it is larger than the sum of its proper divisors (920185797).

2520606723 is an equidigital number, since it uses as much as digits as its factorization.

2520606723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454498 (or 454455 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 2520606723 is about 50205.6443340786. The cubic root of 2520606723 is about 1360.9276260457.

Adding to 2520606723 its reverse (3276060252), we get a palindrome (5796666975).

The spelling of 2520606723 in words is "two billion, five hundred twenty million, six hundred six thousand, seven hundred twenty-three".