2311130123203 has 16 divisors (see below), whose sum is σ = 2654208455040. Its totient is φ = 1990237651200.

The previous prime is 2311130123171. The next prime is 2311130123231. The reversal of 2311130123203 is 3023210311132.

It is a cyclic number.

It is not a de Polignac number, because 2311130123203 - 2⁵ = 2311130123171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2311130123293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1426963 + ... + 2580403.

It is an arithmetic number, because the mean of its divisors is an integer number (165888028440).

Almost surely, 2^{2311130123203} is an apocalyptic number.

2311130123203 is a deficient number, since it is larger than the sum of its proper divisors (343078331837).

2311130123203 is a wasteful number, since it uses less digits than its factorization.

2311130123203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163058.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2311130123203 its reverse (3023210311132), we get a palindrome (5334340434335).

The spelling of 2311130123203 in words is "two trillion, three hundred eleven billion, one hundred thirty million, one hundred twenty-three thousand, two hundred three".