123231132231 has 8 divisors (see below), whose sum is σ = 164310263040. Its totient is φ = 82153044792.

The previous prime is 123231132229. The next prime is 123231132253. The reversal of 123231132231 is 132231132321.

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

It is not a de Polignac number, because 123231132231 - 2¹ = 123231132229 is a prime.

It is a super-2 number, since 2×123231132231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123231132331) 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 7 ways as a sum of consecutive naturals, for example, 77410 + ... + 502448.

It is an arithmetic number, because the mean of its divisors is an integer number (20538782880).

Almost surely, 2^123231132231 is an apocalyptic number.

123231132231 is a deficient number, since it is larger than the sum of its proper divisors (41079130809).

123231132231 is an equidigital number, since it uses as much as digits as its factorization.

123231132231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521685.

The product of its digits is 1296, while the sum is 24.

Adding to 123231132231 its reverse (132231132321), we get a palindrome (255462264552).

The spelling of 123231132231 in words is "one hundred twenty-three billion, two hundred thirty-one million, one hundred thirty-two thousand, two hundred thirty-one".