42103343 has 4 divisors (see below), whose sum is σ = 42155448. Its totient is φ = 42051240.

The previous prime is 42103337. The next prime is 42103357. The reversal of 42103343 is 34330124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42103343 - 2¹⁴ = 42086959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42103393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24821 + ... + 26462.

It is an arithmetic number, because the mean of its divisors is an integer number (10538862).

Almost surely, 2^42103343 is an apocalyptic number.

42103343 is a deficient number, since it is larger than the sum of its proper divisors (52105).

42103343 is an equidigital number, since it uses as much as digits as its factorization.

42103343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52104.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 42103343 is about 6488.7088854409. The cubic root of 42103343 is about 347.8875286118.

Adding to 42103343 its reverse (34330124), we get a palindrome (76433467).

The spelling of 42103343 in words is "forty-two million, one hundred three thousand, three hundred forty-three".