123405341322303 has 12 divisors (see below), whose sum is σ = 182044758830688. Its totient is φ = 80519797174560.

The previous prime is 123405341322299. The next prime is 123405341322311. The reversal of 123405341322303 is 303223143504321.

123405341322303 is a `hidden beast` number, since 1 + 2 + 3 + 4 + 0 + 5 + 3 + 413 + 2 + 230 + 3 = 666.

It is not a de Polignac number, because 123405341322303 - 2² = 123405341322299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123405341326303) 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 in 11 ways as a sum of consecutive naturals, for example, 145869197358 + ... + 145869198203.

It is an arithmetic number, because the mean of its divisors is an integer number (15170396569224).

Almost surely, 2^{123405341322303} is an apocalyptic number.

123405341322303 is a deficient number, since it is larger than the sum of its proper divisors (58639417508385).

123405341322303 is a wasteful number, since it uses less digits than its factorization.

123405341322303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291738395614 (or 291738395611 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

Adding to 123405341322303 its reverse (303223143504321), we get a palindrome (426628484826624).

The spelling of 123405341322303 in words is "one hundred twenty-three trillion, four hundred five billion, three hundred forty-one million, three hundred twenty-two thousand, three hundred three".