11218433923 has 8 divisors (see below), whose sum is σ = 11318839488. Its totient is φ = 11118297024.

The previous prime is 11218433857. The next prime is 11218433951. The reversal of 11218433923 is 32933481211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11218433923 - 2²¹ = 11216336771 is a prime.

It is a super-3 number, since 3×11218433923³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11218433953) 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 7 ways as a sum of consecutive naturals, for example, 17190 + ... + 150772.

It is an arithmetic number, because the mean of its divisors is an integer number (1414854936).

Almost surely, 2^11218433923 is an apocalyptic number.

11218433923 is a deficient number, since it is larger than the sum of its proper divisors (100405565).

11218433923 is a wasteful number, since it uses less digits than its factorization.

11218433923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134333.

The product of its digits is 31104, while the sum is 37.

The spelling of 11218433923 in words is "eleven billion, two hundred eighteen million, four hundred thirty-three thousand, nine hundred twenty-three".