2303042021 has 8 divisors (see below), whose sum is σ = 2642291520. Its totient is φ = 1966353408.

The previous prime is 2303042017. The next prime is 2303042029. The reversal of 2303042021 is 1202403032.

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 2303042021 - 2² = 2303042017 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 (2303042029) 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, 638291 + ... + 641888.

It is an arithmetic number, because the mean of its divisors is an integer number (330286440).

Almost surely, 2^2303042021 is an apocalyptic number.

It is an amenable number.

2303042021 is a deficient number, since it is larger than the sum of its proper divisors (339249499).

2303042021 is a wasteful number, since it uses less digits than its factorization.

2303042021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280443.

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

The square root of 2303042021 is about 47990.0200145822. The cubic root of 2303042021 is about 1320.5878199589.

Adding to 2303042021 its reverse (1202403032), we get a palindrome (3505445053).

The spelling of 2303042021 in words is "two billion, three hundred three million, forty-two thousand, twenty-one".