100232556 has 24 divisors (see below), whose sum is σ = 240198000. Its totient is φ = 32507712.

The previous prime is 100232549. The next prime is 100232557. The reversal of 100232556 is 655232001.

It is not an unprimeable number, because it can be changed into a prime (100232557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112431 + ... + 113318.

It is an arithmetic number, because the mean of its divisors is an integer number (10008250).

Almost surely, 2^100232556 is an apocalyptic number.

It is an amenable number.

100232556 is an abundant number, since it is smaller than the sum of its proper divisors (139965444).

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

100232556 is a wasteful number, since it uses less digits than its factorization.

100232556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225793 (or 225791 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 100232556 is about 10011.6210475627. The cubic root of 100232556 is about 464.5184145789.

Adding to 100232556 its reverse (655232001), we get a palindrome (755464557).

The spelling of 100232556 in words is "one hundred million, two hundred thirty-two thousand, five hundred fifty-six".