100043356 has 24 divisors (see below), whose sum is σ = 200352096. Its totient is φ = 42818880.

The previous prime is 100043347. The next prime is 100043357. The reversal of 100043356 is 653340001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100043357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24450 + ... + 28246.

It is an arithmetic number, because the mean of its divisors is an integer number (8348004).

Almost surely, 2^100043356 is an apocalyptic number.

It is an amenable number.

100043356 is an abundant number, since it is smaller than the sum of its proper divisors (100308740).

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

100043356 is a wasteful number, since it uses less digits than its factorization.

100043356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4749 (or 4747 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 100043356 is about 10002.1675650831. The cubic root of 100043356 is about 464.2259539110.

Adding to 100043356 its reverse (653340001), we get a palindrome (753383357).

The spelling of 100043356 in words is "one hundred million, forty-three thousand, three hundred fifty-six".