100232312 has 16 divisors (see below), whose sum is σ = 192306840. Its totient is φ = 48950496.

The previous prime is 100232273. The next prime is 100232317. The reversal of 100232312 is 213232001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100232317) 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, 145343 + ... + 146030.

Almost surely, 2^100232312 is an apocalyptic number.

It is an amenable number.

100232312 is a deficient number, since it is larger than the sum of its proper divisors (92074528).

100232312 is a wasteful number, since it uses less digits than its factorization.

100232312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291422 (or 291418 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 100232312 is about 10011.6088617165. The cubic root of 100232312 is about 464.5180376469.

Adding to 100232312 its reverse (213232001), we get a palindrome (313464313).

The spelling of 100232312 in words is "one hundred million, two hundred thirty-two thousand, three hundred twelve".