123234643232101 has 4 divisors (see below), whose sum is σ = 126240366237804. Its totient is φ = 120228920226400.

The previous prime is 123234643232059. The next prime is 123234643232117. The reversal of 123234643232101 is 101232346432321.

It is a Cunningham number, because it is equal to 11101110²+1.

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 5938140448900 + 117296502783201 = 2436830^2 + 10830351^2 .

It is a cyclic number.

It is not a de Polignac number, because 123234643232101 - 2¹¹ = 123234643230053 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 (123234643232131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1502861502790 + ... + 1502861502871.

It is an arithmetic number, because the mean of its divisors is an integer number (31560091559451).

Almost surely, 2^{123234643232101} is an apocalyptic number.

It is an amenable number.

123234643232101 is a deficient number, since it is larger than the sum of its proper divisors (3005723005703).

123234643232101 is an equidigital number, since it uses as much as digits as its factorization.

123234643232101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3005723005702.

The product of its (nonzero) digits is 124416, while the sum is 37.

Adding to 123234643232101 its reverse (101232346432321), we get a palindrome (224466989664422).

The spelling of 123234643232101 in words is "one hundred twenty-three trillion, two hundred thirty-four billion, six hundred forty-three million, two hundred thirty-two thousand, one hundred one".