123310101303 has 16 divisors (see below), whose sum is σ = 185777932800. Its totient is φ = 80813398680.

The previous prime is 123310101281. The next prime is 123310101329. The reversal of 123310101303 is 303101013321.

It is a happy number.

It is not a de Polignac number, because 123310101303 - 2¹⁰ = 123310100279 is a prime.

It is a super-2 number, since 2×123310101303² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123310106303) 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 15 ways as a sum of consecutive naturals, for example, 38702143 + ... + 38705328.

It is an arithmetic number, because the mean of its divisors is an integer number (11611120800).

Almost surely, 2^123310101303 is an apocalyptic number.

123310101303 is a deficient number, since it is larger than the sum of its proper divisors (62467831497).

123310101303 is an equidigital number, since it uses as much as digits as its factorization.

123310101303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77407539 (or 77407533 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 123310101303 its reverse (303101013321), we get a palindrome (426411114624).

The spelling of 123310101303 in words is "one hundred twenty-three billion, three hundred ten million, one hundred one thousand, three hundred three".