123110203223 has 6 divisors (see below), whose sum is σ = 143209828296. Its totient is φ = 105523031292.

The previous prime is 123110203211. The next prime is 123110203247. The reversal of 123110203223 is 322302011321.

It is not a de Polignac number, because 123110203223 - 2⁴ = 123110203207 is a prime.

It is a super-2 number, since 2×123110203223² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123110203195 and 123110203204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123110203253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1256226515 + ... + 1256226612.

It is an arithmetic number, because the mean of its divisors is an integer number (23868304716).

Almost surely, 2^123110203223 is an apocalyptic number.

123110203223 is a deficient number, since it is larger than the sum of its proper divisors (20099625073).

123110203223 is an equidigital number, since it uses as much as digits as its factorization.

123110203223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512453141 (or 2512453134 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 123110203223 its reverse (322302011321), we get a palindrome (445412214544).

The spelling of 123110203223 in words is "one hundred twenty-three billion, one hundred ten million, two hundred three thousand, two hundred twenty-three".