123125111223 has 8 divisors (see below), whose sum is σ = 164171607936. Its totient is φ = 82081011000.

The previous prime is 123125111203. The next prime is 123125111237. The reversal of 123125111223 is 322111521321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123125111223 - 2⁵ = 123125111191 is a prime.

It is a super-2 number, since 2×123125111223² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123125111193 and 123125111202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123125111203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475603 + ... + 687348.

It is an arithmetic number, because the mean of its divisors is an integer number (20521450992).

Almost surely, 2^123125111223 is an apocalyptic number.

123125111223 is a deficient number, since it is larger than the sum of its proper divisors (41046496713).

123125111223 is a wasteful number, since it uses less digits than its factorization.

123125111223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198245.

The product of its digits is 720, while the sum is 24.

Adding to 123125111223 its reverse (322111521321), we get a palindrome (445236632544).

The spelling of 123125111223 in words is "one hundred twenty-three billion, one hundred twenty-five million, one hundred eleven thousand, two hundred twenty-three".