231123121201103 has 4 divisors (see below), whose sum is σ = 231129096964920. Its totient is φ = 231117145437288.

The previous prime is 231123121201039. The next prime is 231123121201109. The reversal of 231123121201103 is 301102121321132.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231123121201103 - 2⁶ = 231123121201039 is a prime.

It is a super-3 number, since 3×231123121201103³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231123121201109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2987823893 + ... + 2987901246.

It is an arithmetic number, because the mean of its divisors is an integer number (57782274241230).

Almost surely, 2^{231123121201103} is an apocalyptic number.

231123121201103 is a deficient number, since it is larger than the sum of its proper divisors (5975763817).

231123121201103 is an equidigital number, since it uses as much as digits as its factorization.

231123121201103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5975763816.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 231123121201103 its reverse (301102121321132), we get a palindrome (532225242522235).

The spelling of 231123121201103 in words is "two hundred thirty-one trillion, one hundred twenty-three billion, one hundred twenty-one million, two hundred one thousand, one hundred three".