123213232 has 20 divisors (see below), whose sum is σ = 244278760. Its totient is φ = 60173568.

The previous prime is 123213203. The next prime is 123213247. The reversal of 123213232 is 232312321.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88857 + ... + 90232.

It is an arithmetic number, because the mean of its divisors is an integer number (12213938).

Almost surely, 2^123213232 is an apocalyptic number.

It is an amenable number.

123213232 is a deficient number, since it is larger than the sum of its proper divisors (121065528).

123213232 is a wasteful number, since it uses less digits than its factorization.

123213232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179140 (or 179134 counting only the distinct ones).

The product of its digits is 432, while the sum is 19.

The square root of 123213232 is about 11100.1455846309. The cubic root of 123213232 is about 497.6062004032.

Adding to 123213232 its reverse (232312321), we get a palindrome (355525553).

The spelling of 123213232 in words is "one hundred twenty-three million, two hundred thirteen thousand, two hundred thirty-two".