123202323202121 has 8 divisors (see below), whose sum is σ = 127493740313088. Its totient is φ = 118930727880000.

The previous prime is 123202323202111. The next prime is 123202323202139. The reversal of 123202323202121 is 121202323202321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123202323202121 - 2⁴² = 118804276691017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123202323202111) 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 7 ways as a sum of consecutive naturals, for example, 4955434565 + ... + 4955459426.

It is an arithmetic number, because the mean of its divisors is an integer number (15936717539136).

Almost surely, 2^{123202323202121} is an apocalyptic number.

It is an amenable number.

123202323202121 is a deficient number, since it is larger than the sum of its proper divisors (4291417110967).

123202323202121 is an equidigital number, since it uses as much as digits as its factorization.

123202323202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9910894423.

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

Adding to 123202323202121 its reverse (121202323202321), we get a palindrome (244404646404442).

The spelling of 123202323202121 in words is "one hundred twenty-three trillion, two hundred two billion, three hundred twenty-three million, two hundred two thousand, one hundred twenty-one".