2303023120013 has 24 divisors (see below), whose sum is σ = 2923775712864. Its totient is φ = 1793826064800.

The previous prime is 2303023120007. The next prime is 2303023120031. The reversal of 2303023120013 is 3100213203032.

It is a de Polignac number, because none of the positive numbers 2^k-2303023120013 is a prime.

It is a super-2 number, since 2×2303023120013² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303023122013) 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, 436898 + ... + 2190188.

It is an arithmetic number, because the mean of its divisors is an integer number (121823988036).

Almost surely, 2^{2303023120013} is an apocalyptic number.

It is an amenable number.

2303023120013 is a deficient number, since it is larger than the sum of its proper divisors (620752592851).

2303023120013 is a wasteful number, since it uses less digits than its factorization.

2303023120013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755753 (or 1755746 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 2303023120013 its reverse (3100213203032), we get a palindrome (5403236323045).

The spelling of 2303023120013 in words is "two trillion, three hundred three billion, twenty-three million, one hundred twenty thousand, thirteen".