231123303230101 has 4 divisors (see below), whose sum is σ = 231577376517900. Its totient is φ = 230669229942304.

The previous prime is 231123303230059. The next prime is 231123303230119. The reversal of 231123303230101 is 101032303321132.

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

It can be written as a sum of positive squares in 2 ways, for example, as 96811312847076 + 134311990383025 = 9839274^2 + 11589305^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231123303230101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231123303030101) 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 3 ways as a sum of consecutive naturals, for example, 227036643136 + ... + 227036644153.

It is an arithmetic number, because the mean of its divisors is an integer number (57894344129475).

Almost surely, 2^{231123303230101} is an apocalyptic number.

It is an amenable number.

231123303230101 is a deficient number, since it is larger than the sum of its proper divisors (454073287799).

231123303230101 is an equidigital number, since it uses as much as digits as its factorization.

231123303230101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454073287798.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 231123303230101 its reverse (101032303321132), we get a palindrome (332155606551233).

The spelling of 231123303230101 in words is "two hundred thirty-one trillion, one hundred twenty-three billion, three hundred three million, two hundred thirty thousand, one hundred one".