11423304421 has 24 divisors (see below), whose sum is σ = 12504844800. Its totient is φ = 10411900800.

The previous prime is 11423304383. The next prime is 11423304443. The reversal of 11423304421 is 12440332411.

11423304421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11423304421 - 2⁹ = 11423303909 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 (11423304461) 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, 1507440 + ... + 1514998.

It is an arithmetic number, because the mean of its divisors is an integer number (521035200).

Almost surely, 2^11423304421 is an apocalyptic number.

It is an amenable number.

11423304421 is a deficient number, since it is larger than the sum of its proper divisors (1081540379).

11423304421 is an equidigital number, since it uses as much as digits as its factorization.

11423304421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7701 (or 7660 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 11423304421 its reverse (12440332411), we get a palindrome (23863636832).

It can be divided in two parts, 11423 and 304421, that added together give a square (315844 = 562²).

The spelling of 11423304421 in words is "eleven billion, four hundred twenty-three million, three hundred four thousand, four hundred twenty-one".