100420343 has 8 divisors (see below), whose sum is σ = 106419168. Its totient is φ = 94431744.

The previous prime is 100420291. The next prime is 100420363. The reversal of 100420343 is 343024001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100420343 - 2¹² = 100416247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100420363) 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, 28655 + ... + 31967.

It is an arithmetic number, because the mean of its divisors is an integer number (13302396).

Almost surely, 2^100420343 is an apocalyptic number.

100420343 is a deficient number, since it is larger than the sum of its proper divisors (5998825).

100420343 is a wasteful number, since it uses less digits than its factorization.

100420343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5113.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 100420343 is about 10020.9951102672. The cubic root of 100420343 is about 464.8083273704.

Adding to 100420343 its reverse (343024001), we get a palindrome (443444344).

The spelling of 100420343 in words is "one hundred million, four hundred twenty thousand, three hundred forty-three".