340042003 has 8 divisors (see below), whose sum is σ = 389334272. Its totient is φ = 290928456.

The previous prime is 340041971. The next prime is 340042019. The reversal of 340042003 is 300240043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 340042003 - 2⁵ = 340041971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340042063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40575 + ... + 48232.

It is an arithmetic number, because the mean of its divisors is an integer number (48666784).

Almost surely, 2^340042003 is an apocalyptic number.

340042003 is a deficient number, since it is larger than the sum of its proper divisors (49292269).

340042003 is an equidigital number, since it uses as much as digits as its factorization.

340042003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89361.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 340042003 is about 18440.2278456639. The cubic root of 340042003 is about 697.9819448098.

Adding to 340042003 its reverse (300240043), we get a palindrome (640282046).

The spelling of 340042003 in words is "three hundred forty million, forty-two thousand, three".