123302131202303 has 4 divisors (see below), whose sum is σ = 125925580802400. Its totient is φ = 120678681602208.

The previous prime is 123302131202293. The next prime is 123302131202311. The reversal of 123302131202303 is 303202131203321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123302131202303 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 (123302131202353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1311724799978 + ... + 1311724800071.

It is an arithmetic number, because the mean of its divisors is an integer number (31481395200600).

Almost surely, 2^{123302131202303} is an apocalyptic number.

123302131202303 is a deficient number, since it is larger than the sum of its proper divisors (2623449600097).

123302131202303 is an equidigital number, since it uses as much as digits as its factorization.

123302131202303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623449600096.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 123302131202303 its reverse (303202131203321), we get a palindrome (426504262405624).

The spelling of 123302131202303 in words is "one hundred twenty-three trillion, three hundred two billion, one hundred thirty-one million, two hundred two thousand, three hundred three".