123310030102231 has 4 divisors (see below), whose sum is σ = 140925748688272. Its totient is φ = 105694311516192.

The previous prime is 123310030102121. The next prime is 123310030102241. The reversal of 123310030102231 is 132201030013321.

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

It is not a de Polignac number, because 123310030102231 - 2¹⁵ = 123310030069463 is a prime.

It is a super-2 number, since 2×123310030102231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123310030102241) 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, 8807859293010 + ... + 8807859293023.

It is an arithmetic number, because the mean of its divisors is an integer number (35231437172068).

Almost surely, 2^{123310030102231} is an apocalyptic number.

123310030102231 is a deficient number, since it is larger than the sum of its proper divisors (17615718586041).

123310030102231 is an equidigital number, since it uses as much as digits as its factorization.

123310030102231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17615718586040.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 123310030102231 its reverse (132201030013321), we get a palindrome (255511060115552).

The spelling of 123310030102231 in words is "one hundred twenty-three trillion, three hundred ten billion, thirty million, one hundred two thousand, two hundred thirty-one".