12203231123 has 8 divisors (see below), whose sum is σ = 12465690048. Its totient is φ = 11943520744.

The previous prime is 12203231119. The next prime is 12203231203. The reversal of 12203231123 is 32113230221.

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

It is a cyclic number.

It is not a de Polignac number, because 12203231123 - 2² = 12203231119 is a prime.

It is a super-2 number, since 2×12203231123² (a number of 21 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 = 12203231095 and 12203231104.

It is not an unprimeable number, because it can be changed into a prime (12203231323) 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, 678161 + ... + 695922.

It is an arithmetic number, because the mean of its divisors is an integer number (1558211256).

Almost surely, 2^12203231123 is an apocalyptic number.

12203231123 is a deficient number, since it is larger than the sum of its proper divisors (262458925).

12203231123 is a wasteful number, since it uses less digits than its factorization.

12203231123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374273.

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

Adding to 12203231123 its reverse (32113230221), we get a palindrome (44316461344).

The spelling of 12203231123 in words is "twelve billion, two hundred three million, two hundred thirty-one thousand, one hundred twenty-three".