231123332101 has 4 divisors (see below), whose sum is σ = 231152090400. Its totient is φ = 231094573804.

The previous prime is 231123332093. The next prime is 231123332137. The reversal of 231123332101 is 101233321132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 231123332101 - 2³ = 231123332093 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 (231123332801) 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, 14367091 + ... + 14383168.

It is an arithmetic number, because the mean of its divisors is an integer number (57788022600).

Almost surely, 2^231123332101 is an apocalyptic number.

It is an amenable number.

231123332101 is a deficient number, since it is larger than the sum of its proper divisors (28758299).

231123332101 is an equidigital number, since it uses as much as digits as its factorization.

231123332101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28758298.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 231123332101 its reverse (101233321132), we get a palindrome (332356653233).

The spelling of 231123332101 in words is "two hundred thirty-one billion, one hundred twenty-three million, three hundred thirty-two thousand, one hundred one".