123203211301303 has 12 divisors (see below), whose sum is σ = 143318277939240. Its totient is φ = 105602563448592.

The previous prime is 123203211301301. The next prime is 123203211301393. The reversal of 123203211301303 is 303103112302321.

It is not a de Polignac number, because 123203211301303 - 2¹ = 123203211301301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123203211301301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30084393 + ... + 33933421.

It is an arithmetic number, because the mean of its divisors is an integer number (11943189828270).

Almost surely, 2^{123203211301303} is an apocalyptic number.

123203211301303 is a deficient number, since it is larger than the sum of its proper divisors (20115066637937).

123203211301303 is an equidigital number, since it uses as much as digits as its factorization.

123203211301303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4502286 (or 4502279 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 123203211301303 its reverse (303103112302321), we get a palindrome (426306323603624).

The spelling of 123203211301303 in words is "one hundred twenty-three trillion, two hundred three billion, two hundred eleven million, three hundred one thousand, three hundred three".