42102202403 has 4 divisors (see below), whose sum is σ = 42192357480. Its totient is φ = 42012047328.

The previous prime is 42102202399. The next prime is 42102202423. The reversal of 42102202403 is 30420220124.

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 42102202403 - 2² = 42102202399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42102202423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45076838 + ... + 45077771.

It is an arithmetic number, because the mean of its divisors is an integer number (10548089370).

Almost surely, 2^42102202403 is an apocalyptic number.

42102202403 is a deficient number, since it is larger than the sum of its proper divisors (90155077).

42102202403 is an equidigital number, since it uses as much as digits as its factorization.

42102202403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90155076.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 42102202403 its reverse (30420220124), we get a palindrome (72522422527).

The spelling of 42102202403 in words is "forty-two billion, one hundred two million, two hundred two thousand, four hundred three".