2623311503 has 2 divisors, whose sum is σ = 2623311504. Its totient is φ = 2623311502.

The previous prime is 2623311499. The next prime is 2623311541. The reversal of 2623311503 is 3051133262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2623311503 - 2² = 2623311499 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2623311583) 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 as a sum of consecutive naturals, namely, 1311655751 + 1311655752.

It is an arithmetic number, because the mean of its divisors is an integer number (1311655752).

Almost surely, 2^2623311503 is an apocalyptic number.

2623311503 is a deficient number, since it is larger than the sum of its proper divisors (1).

2623311503 is an equidigital number, since it uses as much as digits as its factorization.

2623311503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 2623311503 is about 51218.2731356691. The cubic root of 2623311503 is about 1379.1662510872.

Adding to 2623311503 its reverse (3051133262), we get a palindrome (5674444765).

The spelling of 2623311503 in words is "two billion, six hundred twenty-three million, three hundred eleven thousand, five hundred three".