5123503240 has 32 divisors (see below), whose sum is σ = 11539534680. Its totient is φ = 2047329792.

The previous prime is 5123503211. The next prime is 5123503241. The reversal of 5123503240 is 423053215.

It can be written as a sum of positive squares in 4 ways, for example, as 5114824324 + 8678916 = 71518^2 + 2946^2 .

It is not an unprimeable number, because it can be changed into a prime (5123503241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24357 + ... + 104116.

Almost surely, 2^5123503240 is an apocalyptic number.

It is an amenable number.

5123503240 is an abundant number, since it is smaller than the sum of its proper divisors (6416031440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5123503240 is a wasteful number, since it uses less digits than its factorization.

5123503240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129481 (or 129477 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 5123503240 is about 71578.6507277135. The cubic root of 5123503240 is about 1723.9407614545.

Adding to 5123503240 its reverse (423053215), we get a palindrome (5546556455).

The spelling of 5123503240 in words is "five billion, one hundred twenty-three million, five hundred three thousand, two hundred forty".