11472219423 has 72 divisors (see below), whose sum is σ = 19687599360. Its totient is φ = 6416716320.

The previous prime is 11472219373. The next prime is 11472219433. The reversal of 11472219423 is 32491227411.

11472219423 is a `hidden beast` number, since 1 + 1 + 4 + 7 + 221 + 9 + 423 = 666.

It is not a de Polignac number, because 11472219423 - 2¹⁸ = 11471957279 is a prime.

It is a super-3 number, since 3×11472219423³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11472219433) 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 71 ways as a sum of consecutive naturals, for example, 7050336 + ... + 7051962.

It is an arithmetic number, because the mean of its divisors is an integer number (273438880).

Almost surely, 2^11472219423 is an apocalyptic number.

11472219423 is a deficient number, since it is larger than the sum of its proper divisors (8215379937).

11472219423 is a wasteful number, since it uses less digits than its factorization.

11472219423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1977 (or 1967 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The spelling of 11472219423 in words is "eleven billion, four hundred seventy-two million, two hundred nineteen thousand, four hundred twenty-three".