123201211303 has 2 divisors, whose sum is σ = 123201211304. Its totient is φ = 123201211302.

The previous prime is 123201211291. The next prime is 123201211363. The reversal of 123201211303 is 303112102321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123201211303 - 2⁵ = 123201211271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123201211363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61600605651 + 61600605652.

It is an arithmetic number, because the mean of its divisors is an integer number (61600605652).

Almost surely, 2^123201211303 is an apocalyptic number.

123201211303 is a deficient number, since it is larger than the sum of its proper divisors (1).

123201211303 is an equidigital number, since it uses as much as digits as its factorization.

123201211303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 123201211303 its reverse (303112102321), we get a palindrome (426313313624).

The spelling of 123201211303 in words is "one hundred twenty-three billion, two hundred one million, two hundred eleven thousand, three hundred three".