403240103 has 8 divisors (see below), whose sum is σ = 467724672. Its totient is φ = 340475256.

The previous prime is 403240087. The next prime is 403240109. The reversal of 403240103 is 301042304.

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

It is a cyclic number.

It is not a de Polignac number, because 403240103 - 2⁴ = 403240087 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 (403240109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429425 + ... + 430362.

It is an arithmetic number, because the mean of its divisors is an integer number (58465584).

Almost surely, 2^403240103 is an apocalyptic number.

403240103 is a deficient number, since it is larger than the sum of its proper divisors (64484569).

403240103 is an equidigital number, since it uses as much as digits as its factorization.

403240103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859861.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 403240103 is about 20080.8392005912. The cubic root of 403240103 is about 738.7903923639.

Adding to 403240103 its reverse (301042304), we get a palindrome (704282407).

The spelling of 403240103 in words is "four hundred three million, two hundred forty thousand, one hundred three".