123117232 has 20 divisors (see below), whose sum is σ = 272616976. Its totient is φ = 52764480.

The previous prime is 123117227. The next prime is 123117233. The reversal of 123117232 is 232711321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (123117233) 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, 549519 + ... + 549742.

Almost surely, 2^123117232 is an apocalyptic number.

It is an amenable number.

123117232 is an abundant number, since it is smaller than the sum of its proper divisors (149499744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123117232 is a wasteful number, since it uses less digits than its factorization.

123117232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099276 (or 1099270 counting only the distinct ones).

The product of its digits is 504, while the sum is 22.

The square root of 123117232 is about 11095.8204743949. The cubic root of 123117232 is about 497.4769323412.

Adding to 123117232 its reverse (232711321), we get a palindrome (355828553).

The spelling of 123117232 in words is "one hundred twenty-three million, one hundred seventeen thousand, two hundred thirty-two".