23110232011 has 4 divisors (see below), whose sum is σ = 23110537392. Its totient is φ = 23109926632.

The previous prime is 23110231997. The next prime is 23110232023. The reversal of 23110232011 is 11023201132.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23110232011 - 2¹³ = 23110223819 is a prime.

It is a super-3 number, since 3×23110232011³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23110232071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54921 + ... + 221893.

It is an arithmetic number, because the mean of its divisors is an integer number (5777634348).

Almost surely, 2^23110232011 is an apocalyptic number.

23110232011 is a deficient number, since it is larger than the sum of its proper divisors (305381).

23110232011 is a wasteful number, since it uses less digits than its factorization.

23110232011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305380.

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

Adding to 23110232011 its reverse (11023201132), we get a palindrome (34133433143).

The spelling of 23110232011 in words is "twenty-three billion, one hundred ten million, two hundred thirty-two thousand, eleven".