231333232211123 has 48 divisors (see below), whose sum is σ = 271687432524480. Its totient is φ = 192948646883328.

The previous prime is 231333232211119. The next prime is 231333232211231. The reversal of 231333232211123 is 321112232333132.

It is not a de Polignac number, because 231333232211123 - 2² = 231333232211119 is a prime.

It is a super-2 number, since 2×231333232211123² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231333232211123.

It is not an unprimeable number, because it can be changed into a prime (231333232219123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7290892523 + ... + 7290924251.

It is an arithmetic number, because the mean of its divisors is an integer number (5660154844260).

Almost surely, 2^{231333232211123} is an apocalyptic number.

231333232211123 is a deficient number, since it is larger than the sum of its proper divisors (40354200313357).

231333232211123 is a wasteful number, since it uses less digits than its factorization.

231333232211123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33916 (or 33873 counting only the distinct ones).

The product of its digits is 23328, while the sum is 32.

Adding to 231333232211123 its reverse (321112232333132), we get a palindrome (552445464544255).

The spelling of 231333232211123 in words is "two hundred thirty-one trillion, three hundred thirty-three billion, two hundred thirty-two million, two hundred eleven thousand, one hundred twenty-three".