231223013011333 has 12 divisors (see below), whose sum is σ = 280713652971232. Its totient is φ = 186532850831040.

The previous prime is 231223013011297. The next prime is 231223013011349. The reversal of 231223013011333 is 333110310322132.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-231223013011333 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 (231223013015333) 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, 57148542963 + ... + 57148547008.

Almost surely, 2^{231223013011333} is an apocalyptic number.

It is an amenable number.

231223013011333 is a deficient number, since it is larger than the sum of its proper divisors (49490639959899).

231223013011333 is a wasteful number, since it uses less digits than its factorization.

231223013011333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114297090012 (or 114297089995 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 231223013011333 its reverse (333110310322132), we get a palindrome (564333323333465).

The spelling of 231223013011333 in words is "two hundred thirty-one trillion, two hundred twenty-three billion, thirteen million, eleven thousand, three hundred thirty-three".