2011302110023 has 4 divisors (see below), whose sum is σ = 2022538434840. Its totient is φ = 2000065785208.

The previous prime is 2011302110011. The next prime is 2011302110047. The reversal of 2011302110023 is 3200112031102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011302110023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011302109979 and 2011302110006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011302110123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5618162140 + ... + 5618162497.

It is an arithmetic number, because the mean of its divisors is an integer number (505634608710).

Almost surely, 2^{2011302110023} is an apocalyptic number.

2011302110023 is a deficient number, since it is larger than the sum of its proper divisors (11236324817).

2011302110023 is a wasteful number, since it uses less digits than its factorization.

2011302110023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11236324816.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2011302110023 its reverse (3200112031102), we get a palindrome (5211414141125).

The spelling of 2011302110023 in words is "two trillion, eleven billion, three hundred two million, one hundred ten thousand, twenty-three".