11523422403 has 12 divisors (see below), whose sum is σ = 17050918248. Its totient is φ = 7494908640.

The previous prime is 11523422401. The next prime is 11523422411. The reversal of 11523422403 is 30422432511.

11523422403 is a `hidden beast` number, since 1 + 1 + 5 + 234 + 22 + 403 = 666.

It is not a de Polignac number, because 11523422403 - 2¹ = 11523422401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11523422401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15614025 + ... + 15614762.

It is an arithmetic number, because the mean of its divisors is an integer number (1420909854).

Almost surely, 2^11523422403 is an apocalyptic number.

11523422403 is a deficient number, since it is larger than the sum of its proper divisors (5527495845).

11523422403 is a wasteful number, since it uses less digits than its factorization.

11523422403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31228834 (or 31228831 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 11523422403 its reverse (30422432511), we get a palindrome (41945854914).

The spelling of 11523422403 in words is "eleven billion, five hundred twenty-three million, four hundred twenty-two thousand, four hundred three".