123203021233361 has 2 divisors, whose sum is σ = 123203021233362. Its totient is φ = 123203021233360.

The previous prime is 123203021233333. The next prime is 123203021233387. The reversal of 123203021233361 is 163332120302321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118598220258961 + 4604800974400 = 10890281^2 + 2145880^2 .

It is a cyclic number.

It is not a de Polignac number, because 123203021233361 - 2⁶ = 123203021233297 is a prime.

It is not a weakly prime, because it can be changed into another prime (123203021733361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61601510616680 + 61601510616681.

It is an arithmetic number, because the mean of its divisors is an integer number (61601510616681).

Almost surely, 2^{123203021233361} is an apocalyptic number.

It is an amenable number.

123203021233361 is a deficient number, since it is larger than the sum of its proper divisors (1).

123203021233361 is an equidigital number, since it uses as much as digits as its factorization.

123203021233361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 32.

Adding to 123203021233361 its reverse (163332120302321), we get a palindrome (286535141535682).

The spelling of 123203021233361 in words is "one hundred twenty-three trillion, two hundred three billion, twenty-one million, two hundred thirty-three thousand, three hundred sixty-one".