23030231311 has 4 divisors (see below), whose sum is σ = 23068172992. Its totient is φ = 22992289632.

The previous prime is 23030231299. The next prime is 23030231353. The reversal of 23030231311 is 11313203032.

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 23030231311 - 2⁷ = 23030231183 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 (23030231611) 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, 18969930 + ... + 18971143.

It is an arithmetic number, because the mean of its divisors is an integer number (5767043248).

Almost surely, 2^23030231311 is an apocalyptic number.

23030231311 is a deficient number, since it is larger than the sum of its proper divisors (37941681).

23030231311 is an equidigital number, since it uses as much as digits as its factorization.

23030231311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37941680.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 23030231311 its reverse (11313203032), we get a palindrome (34343434343).

The spelling of 23030231311 in words is "twenty-three billion, thirty million, two hundred thirty-one thousand, three hundred eleven".