123441133400201 has 4 divisors (see below), whose sum is σ = 123441158193732. Its totient is φ = 123441108606672.

The previous prime is 123441133400149. The next prime is 123441133400203. The reversal of 123441133400201 is 102004331144321.

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 39834779790400 + 83606353609801 = 6311480^2 + 9143651^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123441133400201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123441133400203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2050070 + ... + 15845663.

It is an arithmetic number, because the mean of its divisors is an integer number (30860289548433).

Almost surely, 2^{123441133400201} is an apocalyptic number.

It is an amenable number.

123441133400201 is a deficient number, since it is larger than the sum of its proper divisors (24793531).

123441133400201 is an equidigital number, since it uses as much as digits as its factorization.

123441133400201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24793530.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 123441133400201 its reverse (102004331144321), we get a palindrome (225445464544522).

The spelling of 123441133400201 in words is "one hundred twenty-three trillion, four hundred forty-one billion, one hundred thirty-three million, four hundred thousand, two hundred one".