427903103 has 4 divisors (see below), whose sum is σ = 427995720. Its totient is φ = 427810488.

The previous prime is 427903081. The next prime is 427903121. The reversal of 427903103 is 301309724.

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 427903103 - 2¹⁸ = 427640959 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 (427903163) 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, 38993 + ... + 48746.

It is an arithmetic number, because the mean of its divisors is an integer number (106998930).

Almost surely, 2^427903103 is an apocalyptic number.

427903103 is a deficient number, since it is larger than the sum of its proper divisors (92617).

427903103 is an equidigital number, since it uses as much as digits as its factorization.

427903103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92616.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 427903103 is about 20685.8188863772. The cubic root of 427903103 is about 753.5553287371. Note that the first 3 decimals are identical.

The spelling of 427903103 in words is "four hundred twenty-seven million, nine hundred three thousand, one hundred three".