100042343 has 2 divisors, whose sum is σ = 100042344. Its totient is φ = 100042342.

The previous prime is 100042333. The next prime is 100042409. The reversal of 100042343 is 343240001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100042343 - 2⁶ = 100042279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100042303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50021171 + 50021172.

It is an arithmetic number, because the mean of its divisors is an integer number (50021172).

Almost surely, 2^100042343 is an apocalyptic number.

100042343 is a deficient number, since it is larger than the sum of its proper divisors (1).

100042343 is an equidigital number, since it uses as much as digits as its factorization.

100042343 is an evil number, because the sum of its binary digits is even.

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

The square root of 100042343 is about 10002.1169259312. The cubic root of 100042343 is about 464.2243870487.

Adding to 100042343 its reverse (343240001), we get a palindrome (443282344).

The spelling of 100042343 in words is "one hundred million, forty-two thousand, three hundred forty-three".