123431116 has 12 divisors (see below), whose sum is σ = 216103888. Its totient is φ = 61687152.

The previous prime is 123431111. The next prime is 123431123. The reversal of 123431116 is 611134321.

It is not an unprimeable number, because it can be changed into a prime (123431111) 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, 4945 + ... + 16471.

Almost surely, 2^123431116 is an apocalyptic number.

It is an amenable number.

123431116 is a deficient number, since it is larger than the sum of its proper divisors (92672772).

123431116 is a wasteful number, since it uses less digits than its factorization.

123431116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14208 (or 14206 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

The square root of 123431116 is about 11109.9557154833. The cubic root of 123431116 is about 497.8993414940.

Adding to 123431116 its reverse (611134321), we get a palindrome (734565437).

The spelling of 123431116 in words is "one hundred twenty-three million, four hundred thirty-one thousand, one hundred sixteen".