121203423200323 has 2 divisors, whose sum is σ = 121203423200324. Its totient is φ = 121203423200322.

The previous prime is 121203423200267. The next prime is 121203423200371. The reversal of 121203423200323 is 323002324302121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121203423200323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121203423200291 and 121203423200300.

It is not a weakly prime, because it can be changed into another prime (121203423200723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60601711600161 + 60601711600162.

It is an arithmetic number, because the mean of its divisors is an integer number (60601711600162).

Almost surely, 2^{121203423200323} is an apocalyptic number.

121203423200323 is a deficient number, since it is larger than the sum of its proper divisors (1).

121203423200323 is an equidigital number, since it uses as much as digits as its factorization.

121203423200323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 121203423200323 its reverse (323002324302121), we get a palindrome (444205747502444).

The spelling of 121203423200323 in words is "one hundred twenty-one trillion, two hundred three billion, four hundred twenty-three million, two hundred thousand, three hundred twenty-three".