23031112232231 has 8 divisors (see below), whose sum is σ = 23693063186400. Its totient is φ = 22371239618208.

The previous prime is 23031112232189. The next prime is 23031112232263. The reversal of 23031112232231 is 13223221113032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23031112232231 is a prime.

It is a super-2 number, since 2×23031112232231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23031112232231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23031112232431) 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 7 ways as a sum of consecutive naturals, for example, 519562556 + ... + 519606881.

It is an arithmetic number, because the mean of its divisors is an integer number (2961632898300).

Almost surely, 2^{23031112232231} is an apocalyptic number.

23031112232231 is a deficient number, since it is larger than the sum of its proper divisors (661950954169).

23031112232231 is a wasteful number, since it uses less digits than its factorization.

23031112232231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039170073.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 23031112232231 its reverse (13223221113032), we get a palindrome (36254333345263).

The spelling of 23031112232231 in words is "twenty-three trillion, thirty-one billion, one hundred twelve million, two hundred thirty-two thousand, two hundred thirty-one".