11423304423 has 16 divisors (see below), whose sum is σ = 16990848000. Its totient is φ = 7585191000.

The previous prime is 11423304383. The next prime is 11423304443. The reversal of 11423304423 is 32440332411.

11423304423 is a `hidden beast` number, since 1 + 1 + 4 + 233 + 0 + 4 + 423 = 666.

It is not a de Polignac number, because 11423304423 - 2¹⁰ = 11423303399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11423304443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 836023 + ... + 849576.

It is an arithmetic number, because the mean of its divisors is an integer number (1061928000).

Almost surely, 2^11423304423 is an apocalyptic number.

11423304423 is a deficient number, since it is larger than the sum of its proper divisors (5567543577).

11423304423 is a wasteful number, since it uses less digits than its factorization.

11423304423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685859 (or 1685853 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 11423304423 its reverse (32440332411), we get a palindrome (43863636834).

The spelling of 11423304423 in words is "eleven billion, four hundred twenty-three million, three hundred four thousand, four hundred twenty-three".