2511503423 has 48 divisors (see below), whose sum is σ = 3124293120. Its totient is φ = 1997424000.

The previous prime is 2511503417. The next prime is 2511503431. The reversal of 2511503423 is 3243051152.

It is a happy number.

It is not a de Polignac number, because 2511503423 - 2²⁶ = 2444394559 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2511503392 and 2511503401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2511503413) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6456113 + ... + 6456501.

It is an arithmetic number, because the mean of its divisors is an integer number (65089440).

Almost surely, 2^2511503423 is an apocalyptic number.

2511503423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2511503423 is a deficient number, since it is larger than the sum of its proper divisors (612789697).

2511503423 is a wasteful number, since it uses less digits than its factorization.

2511503423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600 (or 587 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2511503423 is about 50114.9022048332. The cubic root of 2511503423 is about 1359.2872965220.

Adding to 2511503423 its reverse (3243051152), we get a palindrome (5754554575).

The spelling of 2511503423 in words is "two billion, five hundred eleven million, five hundred three thousand, four hundred twenty-three".