42042343 has 24 divisors (see below), whose sum is σ = 53089344. Its totient is φ = 33062400.

The previous prime is 42042331. The next prime is 42042349. The reversal of 42042343 is 34324024.

It is not a de Polignac number, because 42042343 - 2⁵ = 42042311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42042349) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33538 + ... + 34768.

It is an arithmetic number, because the mean of its divisors is an integer number (2212056).

Almost surely, 2^42042343 is an apocalyptic number.

42042343 is a deficient number, since it is larger than the sum of its proper divisors (11047001).

42042343 is a wasteful number, since it uses less digits than its factorization.

42042343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303 (or 1296 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 42042343 is about 6484.0067088182. The cubic root of 42042343 is about 347.7194390612.

Adding to 42042343 its reverse (34324024), we get a palindrome (76366367).

The spelling of 42042343 in words is "forty-two million, forty-two thousand, three hundred forty-three".