123032312 has 16 divisors (see below), whose sum is σ = 248430840. Its totient is φ = 56784096.

The previous prime is 123032293. The next prime is 123032317. The reversal of 123032312 is 213230321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123032317) 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, 591398 + ... + 591605.

Almost surely, 2^123032312 is an apocalyptic number.

It is an amenable number.

123032312 is an abundant number, since it is smaller than the sum of its proper divisors (125398528).

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

123032312 is a wasteful number, since it uses less digits than its factorization.

123032312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183022 (or 1183018 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 123032312 is about 11091.9931482128. The cubic root of 123032312 is about 497.3625279449.

Adding to 123032312 its reverse (213230321), we get a palindrome (336262633).

The spelling of 123032312 in words is "one hundred twenty-three million, thirty-two thousand, three hundred twelve".