23003231105 has 4 divisors (see below), whose sum is σ = 27603877332. Its totient is φ = 18402584880.

The previous prime is 23003231101. The next prime is 23003231117. The reversal of 23003231105 is 50113230032.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16940584336 + 6062646769 = 130156^2 + 77863^2 .

It is not a de Polignac number, because 23003231105 - 2² = 23003231101 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23003231101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2300323106 + ... + 2300323115.

It is an arithmetic number, because the mean of its divisors is an integer number (6900969333).

Almost surely, 2^23003231105 is an apocalyptic number.

It is an amenable number.

23003231105 is a deficient number, since it is larger than the sum of its proper divisors (4600646227).

23003231105 is an equidigital number, since it uses as much as digits as its factorization.

23003231105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4600646226.

The product of its (nonzero) digits is 540, while the sum is 20.

Adding to 23003231105 its reverse (50113230032), we get a palindrome (73116461137).

The spelling of 23003231105 in words is "twenty-three billion, three million, two hundred thirty-one thousand, one hundred five".