2303819421 has 24 divisors (see below), whose sum is σ = 3195803520. Its totient is φ = 1476177024.

The previous prime is 2303819383. The next prime is 2303819473. The reversal of 2303819421 is 1249183032.

It is not a de Polignac number, because 2303819421 - 2²⁶ = 2236710557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303811421) 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 23 ways as a sum of consecutive naturals, for example, 585900 + ... + 589818.

It is an arithmetic number, because the mean of its divisors is an integer number (133158480).

Almost surely, 2^2303819421 is an apocalyptic number.

It is an amenable number.

2303819421 is a deficient number, since it is larger than the sum of its proper divisors (891984099).

2303819421 is a wasteful number, since it uses less digits than its factorization.

2303819421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4213 (or 4184 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 2303819421 is about 47998.1189318915. The cubic root of 2303819421 is about 1320.7363929433.

The spelling of 2303819421 in words is "two billion, three hundred three million, eight hundred nineteen thousand, four hundred twenty-one".