11439223384 has 32 divisors (see below), whose sum is σ = 21731112000. Its totient is φ = 5644334592.

The previous prime is 11439223361. The next prime is 11439223387. The reversal of 11439223384 is 48332293411.

It is a super-2 number, since 2×11439223384² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11439223387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1787262 + ... + 1793650.

It is an arithmetic number, because the mean of its divisors is an integer number (679097250).

Almost surely, 2^11439223384 is an apocalyptic number.

It is an amenable number.

11439223384 is a deficient number, since it is larger than the sum of its proper divisors (10291888616).

11439223384 is a wasteful number, since it uses less digits than its factorization.

11439223384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9307 (or 9303 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The spelling of 11439223384 in words is "eleven billion, four hundred thirty-nine million, two hundred twenty-three thousand, three hundred eighty-four".