100232643 has 16 divisors (see below), whose sum is σ = 159376896. Its totient is φ = 54785280.

The previous prime is 100232621. The next prime is 100232653. The reversal of 100232643 is 346232001.

It is a happy number.

It is not a de Polignac number, because 100232643 - 2⁸ = 100232387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (100232653) 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 15 ways as a sum of consecutive naturals, for example, 103278 + ... + 104243.

It is an arithmetic number, because the mean of its divisors is an integer number (9961056).

Almost surely, 2^100232643 is an apocalyptic number.

100232643 is a deficient number, since it is larger than the sum of its proper divisors (59144253).

100232643 is a wasteful number, since it uses less digits than its factorization.

100232643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207554.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 100232643 is about 10011.6253925124. The cubic root of 100232643 is about 464.5185489767.

Adding to 100232643 its reverse (346232001), we get a palindrome (446464644).

The spelling of 100232643 in words is "one hundred million, two hundred thirty-two thousand, six hundred forty-three".