11302345421 has 4 divisors (see below), whose sum is σ = 11692081500. Its totient is φ = 10912609344.

The previous prime is 11302345403. The next prime is 11302345447. The reversal of 11302345421 is 12454320311.

It is a happy number.

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 8063142025 + 3239203396 = 89795^2 + 56914^2 .

It is a cyclic number.

It is not a de Polignac number, because 11302345421 - 2¹⁸ = 11302083277 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 (11302345451) 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, 194867996 + ... + 194868053.

It is an arithmetic number, because the mean of its divisors is an integer number (2923020375).

Almost surely, 2^11302345421 is an apocalyptic number.

It is an amenable number.

11302345421 is a deficient number, since it is larger than the sum of its proper divisors (389736079).

11302345421 is an equidigital number, since it uses as much as digits as its factorization.

11302345421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389736078.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 11302345421 its reverse (12454320311), we get a palindrome (23756665732).

The spelling of 11302345421 in words is "eleven billion, three hundred two million, three hundred forty-five thousand, four hundred twenty-one".