11223771234 has 32 divisors (see below), whose sum is σ = 24193076544. Its totient is φ = 3450782400.

The previous prime is 11223771211. The next prime is 11223771239. The reversal of 11223771234 is 43217732211.

11223771234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11223771195 and 11223771204.

It is not an unprimeable number, because it can be changed into a prime (11223771239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46177 + ... + 156779.

It is an arithmetic number, because the mean of its divisors is an integer number (756033642).

Almost surely, 2^11223771234 is an apocalyptic number.

11223771234 is an abundant number, since it is smaller than the sum of its proper divisors (12969305310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11223771234 is a wasteful number, since it uses less digits than its factorization.

11223771234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111922.

The product of its digits is 14112, while the sum is 33.

The spelling of 11223771234 in words is "eleven billion, two hundred twenty-three million, seven hundred seventy-one thousand, two hundred thirty-four".