42350403 has 8 divisors (see below), whose sum is σ = 56504848. Its totient is φ = 28214784.

The previous prime is 42350401. The next prime is 42350423. The reversal of 42350403 is 30405324.

It is a happy number.

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

It is not a de Polignac number, because 42350403 - 2¹ = 42350401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42350403.

It is not an unprimeable number, because it can be changed into a prime (42350401) 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, 1851 + ... + 9387.

It is an arithmetic number, because the mean of its divisors is an integer number (7063106).

Almost surely, 2^42350403 is an apocalyptic number.

42350403 is a deficient number, since it is larger than the sum of its proper divisors (14154445).

42350403 is a wasteful number, since it uses less digits than its factorization.

42350403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9413.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 42350403 is about 6507.7187247145. The cubic root of 42350403 is about 348.5666633142.

Adding to 42350403 its reverse (30405324), we get a palindrome (72755727).

The spelling of 42350403 in words is "forty-two million, three hundred fifty thousand, four hundred three".