123321344201 has 4 divisors (see below), whose sum is σ = 134532375504. Its totient is φ = 112110312900.

The previous prime is 123321344173. The next prime is 123321344239. The reversal of 123321344201 is 102443123321.

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 123321344201 - 2¹⁰ = 123321343177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123321344701) 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, 5605515635 + ... + 5605515656.

It is an arithmetic number, because the mean of its divisors is an integer number (33633093876).

Almost surely, 2^123321344201 is an apocalyptic number.

123321344201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123321344201 is a deficient number, since it is larger than the sum of its proper divisors (11211031303).

123321344201 is a wasteful number, since it uses less digits than its factorization.

123321344201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11211031302.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 123321344201 its reverse (102443123321), we get a palindrome (225764467522).

The spelling of 123321344201 in words is "one hundred twenty-three billion, three hundred twenty-one million, three hundred forty-four thousand, two hundred one".