1213303023003 has 32 divisors (see below), whose sum is σ = 1744253291520. Its totient is φ = 747387072000.

The previous prime is 1213303023001. The next prime is 1213303023059. The reversal of 1213303023003 is 3003203033121.

It is not a de Polignac number, because 1213303023003 - 2¹ = 1213303023001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1213303023001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1991301 + ... + 2528217.

It is an arithmetic number, because the mean of its divisors is an integer number (54507915360).

Almost surely, 2^{1213303023003} is an apocalyptic number.

1213303023003 is a deficient number, since it is larger than the sum of its proper divisors (530950268517).

1213303023003 is a wasteful number, since it uses less digits than its factorization.

1213303023003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537747.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 1213303023003 its reverse (3003203033121), we get a palindrome (4216506056124).

The spelling of 1213303023003 in words is "one trillion, two hundred thirteen billion, three hundred three million, twenty-three thousand, three".