123231196 has 12 divisors (see below), whose sum is σ = 235259640. Its totient is φ = 56014160.

The previous prime is 123231191. The next prime is 123231203. The reversal of 123231196 is 691132321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123231191) 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, 1400311 + ... + 1400398.

It is an arithmetic number, because the mean of its divisors is an integer number (19604970).

Almost surely, 2^123231196 is an apocalyptic number.

It is an amenable number.

123231196 is a deficient number, since it is larger than the sum of its proper divisors (112028444).

123231196 is a wasteful number, since it uses less digits than its factorization.

123231196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800724 (or 2800722 counting only the distinct ones).

The product of its digits is 1944, while the sum is 28.

The square root of 123231196 is about 11100.9547337155. The cubic root of 123231196 is about 497.6303822307.

The spelling of 123231196 in words is "one hundred twenty-three million, two hundred thirty-one thousand, one hundred ninety-six".