23233231111 has 4 divisors (see below), whose sum is σ = 23266854424. Its totient is φ = 23199607800.

The previous prime is 23233231061. The next prime is 23233231117. The reversal of 23233231111 is 11113233232.

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

It is a cyclic number.

It is not a de Polignac number, because 23233231111 - 2¹⁷ = 23233100039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23233231117) 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, 16810620 + ... + 16812001.

It is an arithmetic number, because the mean of its divisors is an integer number (5816713606).

Almost surely, 2^23233231111 is an apocalyptic number.

23233231111 is a deficient number, since it is larger than the sum of its proper divisors (33623313).

23233231111 is an equidigital number, since it uses as much as digits as its factorization.

23233231111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33623312.

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

Adding to 23233231111 its reverse (11113233232), we get a palindrome (34346464343).

The spelling of 23233231111 in words is "twenty-three billion, two hundred thirty-three million, two hundred thirty-one thousand, one hundred eleven".