123200102321 has 2 divisors, whose sum is σ = 123200102322. Its totient is φ = 123200102320.

The previous prime is 123200102287. The next prime is 123200102327. The reversal of 123200102321 is 123201002321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98555812096 + 24644290225 = 313936^2 + 156985^2 .

It is a cyclic number.

It is not a de Polignac number, because 123200102321 - 2³⁰ = 122126360497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123200102321.

It is not a weakly prime, because it can be changed into another prime (123200102327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61600051160 + 61600051161.

It is an arithmetic number, because the mean of its divisors is an integer number (61600051161).

Almost surely, 2^123200102321 is an apocalyptic number.

It is an amenable number.

123200102321 is a deficient number, since it is larger than the sum of its proper divisors (1).

123200102321 is an equidigital number, since it uses as much as digits as its factorization.

123200102321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 123200102321 its reverse (123201002321), we get a palindrome (246401104642).

The spelling of 123200102321 in words is "one hundred twenty-three billion, two hundred million, one hundred two thousand, three hundred twenty-one".