123303103231 has 24 divisors (see below), whose sum is σ = 156759426432. Its totient is φ = 94922691600.

The previous prime is 123303103219. The next prime is 123303103241. The reversal of 123303103231 is 132301303321.

It is not a de Polignac number, because 123303103231 - 2¹⁵ = 123303070463 is a prime.

It is a super-2 number, since 2×123303103231² (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 (123303103241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 806665 + ... + 947266.

It is an arithmetic number, because the mean of its divisors is an integer number (6531642768).

Almost surely, 2^123303103231 is an apocalyptic number.

123303103231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

123303103231 is a deficient number, since it is larger than the sum of its proper divisors (33456323201).

123303103231 is a wasteful number, since it uses less digits than its factorization.

123303103231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754043 (or 1754032 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 123303103231 its reverse (132301303321), we get a palindrome (255604406552).

The spelling of 123303103231 in words is "one hundred twenty-three billion, three hundred three million, one hundred three thousand, two hundred thirty-one".