23110123203011 has 4 divisors (see below), whose sum is σ = 24887824987872. Its totient is φ = 21332421418152.

The previous prime is 23110123202983. The next prime is 23110123203049. The reversal of 23110123203011 is 11030232101132.

It is a happy number.

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

It is not a de Polignac number, because 23110123203011 - 2¹⁰ = 23110123201987 is a prime.

It is a super-2 number, since 2×23110123203011² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23110123203061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 888850892411 + ... + 888850892436.

It is an arithmetic number, because the mean of its divisors is an integer number (6221956246968).

Almost surely, 2^{23110123203011} is an apocalyptic number.

23110123203011 is a deficient number, since it is larger than the sum of its proper divisors (1777701784861).

23110123203011 is a wasteful number, since it uses less digits than its factorization.

23110123203011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777701784860.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 23110123203011 its reverse (11030232101132), we get a palindrome (34140355304143).

The spelling of 23110123203011 in words is "twenty-three trillion, one hundred ten billion, one hundred twenty-three million, two hundred three thousand, eleven".