2303002421 has 4 divisors (see below), whose sum is σ = 2326744812. Its totient is φ = 2279260032.

The previous prime is 2303002417. The next prime is 2303002423. The reversal of 2303002421 is 1242003032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1782021796 + 520980625 = 42214^2 + 22825^2 .

It is a cyclic number.

It is not a de Polignac number, because 2303002421 - 2² = 2303002417 is a prime.

It is a super-2 number, since 2×2303002421² = 10607640302263722482, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2303002421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303002423) 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 3 ways as a sum of consecutive naturals, for example, 11871050 + ... + 11871243.

It is an arithmetic number, because the mean of its divisors is an integer number (581686203).

Almost surely, 2^2303002421 is an apocalyptic number.

It is an amenable number.

2303002421 is a deficient number, since it is larger than the sum of its proper divisors (23742391).

2303002421 is an equidigital number, since it uses as much as digits as its factorization.

2303002421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23742390.

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

The square root of 2303002421 is about 47989.6074270253. The cubic root of 2303002421 is about 1320.5802509006.

Adding to 2303002421 its reverse (1242003032), we get a palindrome (3545005453).

The spelling of 2303002421 in words is "two billion, three hundred three million, two thousand, four hundred twenty-one".