231301311123 has 8 divisors (see below), whose sum is σ = 324633419200. Its totient is φ = 146085038568.

The previous prime is 231301311121. The next prime is 231301311151. The reversal of 231301311123 is 321113103132.

It is a happy number.

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

It is not a de Polignac number, because 231301311123 - 2¹ = 231301311121 is a prime.

It is a super-2 number, since 2×231301311123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231301311123.

It is not an unprimeable number, because it can be changed into a prime (231301311121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2028958813 + ... + 2028958926.

It is an arithmetic number, because the mean of its divisors is an integer number (40579177400).

Almost surely, 2^231301311123 is an apocalyptic number.

231301311123 is a deficient number, since it is larger than the sum of its proper divisors (93332108077).

231301311123 is a wasteful number, since it uses less digits than its factorization.

231301311123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057917761.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 231301311123 its reverse (321113103132), we get a palindrome (552414414255).

The spelling of 231301311123 in words is "two hundred thirty-one billion, three hundred one million, three hundred eleven thousand, one hundred twenty-three".