23121203322231 has 12 divisors (see below), whose sum is σ = 38168335643152. Its totient is φ = 13212116184096.

The previous prime is 23121203322181. The next prime is 23121203322281. The reversal of 23121203322231 is 13222330212132.

23121203322231 is a `hidden beast` number, since 2 + 312 + 1 + 2 + 0 + 3 + 322 + 23 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (23121203322181) and next prime (23121203322281).

It is not a de Polignac number, because 23121203322231 - 2⁹ = 23121203321719 is a prime.

It is a super-2 number, since 2×23121203322231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23121203322195 and 23121203322204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23121203322281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183501613606 + ... + 183501613731.

Almost surely, 2^{23121203322231} is an apocalyptic number.

23121203322231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23121203322231 is a deficient number, since it is larger than the sum of its proper divisors (15047132320921).

23121203322231 is a wasteful number, since it uses less digits than its factorization.

23121203322231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367003227350 (or 367003227347 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 23121203322231 its reverse (13222330212132), we get a palindrome (36343533534363).

The spelling of 23121203322231 in words is "twenty-three trillion, one hundred twenty-one billion, two hundred three million, three hundred twenty-two thousand, two hundred thirty-one".