42345343 has 4 divisors (see below), whose sum is σ = 42881440. Its totient is φ = 41809248.

The previous prime is 42345341. The next prime is 42345389. The reversal of 42345343 is 34354324.

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 42345343 - 2¹ = 42345341 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 (42345341) 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, 267930 + ... + 268087.

It is an arithmetic number, because the mean of its divisors is an integer number (10720360).

Almost surely, 2^42345343 is an apocalyptic number.

42345343 is a deficient number, since it is larger than the sum of its proper divisors (536097).

42345343 is an equidigital number, since it uses as much as digits as its factorization.

42345343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536096.

The product of its digits is 17280, while the sum is 28.

The square root of 42345343 is about 6507.3299439939. The cubic root of 42345343 is about 348.5527805847.

Adding to 42345343 its reverse (34354324), we get a palindrome (76699667).

The spelling of 42345343 in words is "forty-two million, three hundred forty-five thousand, three hundred forty-three".