231001232123 has 8 divisors (see below), whose sum is σ = 231638079456. Its totient is φ = 230364688000.

The previous prime is 231001232093. The next prime is 231001232129. The reversal of 231001232123 is 321232100132.

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

It is a cyclic number.

It is not a de Polignac number, because 231001232123 - 2¹⁰ = 231001231099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231001232095 and 231001232104.

It is not an unprimeable number, because it can be changed into a prime (231001232129) 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, 1494665 + ... + 1641957.

It is an arithmetic number, because the mean of its divisors is an integer number (28954759932).

Almost surely, 2^231001232123 is an apocalyptic number.

231001232123 is a deficient number, since it is larger than the sum of its proper divisors (636847333).

231001232123 is a wasteful number, since it uses less digits than its factorization.

231001232123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151605.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 231001232123 its reverse (321232100132), we get a palindrome (552233332255).

The spelling of 231001232123 in words is "two hundred thirty-one billion, one million, two hundred thirty-two thousand, one hundred twenty-three".