1230503013 has 24 divisors (see below), whose sum is σ = 1856245248. Its totient is φ = 784002912.

The previous prime is 1230503009. The next prime is 1230503033. The reversal of 1230503013 is 3103050321.

It is not a de Polignac number, because 1230503013 - 2² = 1230503009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230503033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 386956 + ... + 390122.

It is an arithmetic number, because the mean of its divisors is an integer number (77343552).

Almost surely, 2^1230503013 is an apocalyptic number.

It is an amenable number.

1230503013 is a deficient number, since it is larger than the sum of its proper divisors (625742235).

1230503013 is a wasteful number, since it uses less digits than its factorization.

1230503013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5073 (or 5070 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 1230503013 is about 35078.5263801090. The cubic root of 1230503013 is about 1071.5873063942.

Adding to 1230503013 its reverse (3103050321), we get a palindrome (4333553334).

The spelling of 1230503013 in words is "one billion, two hundred thirty million, five hundred three thousand, thirteen".