1203323013 has 16 divisors (see below), whose sum is σ = 1844174400. Its totient is φ = 774552240.

The previous prime is 1203323003. The next prime is 1203323041. The reversal of 1203323013 is 3103233021.

It is not a de Polignac number, because 1203323013 - 2⁴ = 1203322997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203323003) 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 15 ways as a sum of consecutive naturals, for example, 767623 + ... + 769188.

It is an arithmetic number, because the mean of its divisors is an integer number (115260900).

Almost surely, 2^1203323013 is an apocalyptic number.

It is an amenable number.

1203323013 is a deficient number, since it is larger than the sum of its proper divisors (640851387).

1203323013 is a wasteful number, since it uses less digits than its factorization.

1203323013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536849 (or 1536843 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1203323013 is about 34688.9465536214. The cubic root of 1203323013 is about 1063.6385618806.

Adding to 1203323013 its reverse (3103233021), we get a palindrome (4306556034).

The spelling of 1203323013 in words is "one billion, two hundred three million, three hundred twenty-three thousand, thirteen".