42342003 has 24 divisors (see below), whose sum is σ = 67070016. Its totient is φ = 25527600.

The previous prime is 42341987. The next prime is 42342043. The reversal of 42342003 is 30024324.

42342003 is nontrivially palindromic in base 15.

It is not a de Polignac number, because 42342003 - 2⁴ = 42341987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42342043) 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, 19876 + ... + 21902.

It is an arithmetic number, because the mean of its divisors is an integer number (2794584).

Almost surely, 2^42342003 is an apocalyptic number.

42342003 is a deficient number, since it is larger than the sum of its proper divisors (24728013).

42342003 is a wasteful number, since it uses less digits than its factorization.

42342003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255 (or 2252 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 42342003 is about 6507.0733052579. The cubic root of 42342003 is about 348.5436162799.

Adding to 42342003 its reverse (30024324), we get a palindrome (72366327).

The spelling of 42342003 in words is "forty-two million, three hundred forty-two thousand, three".