11123139520223 has 16 divisors (see below), whose sum is σ = 12055803091200. Its totient is φ = 10221585472896.

The previous prime is 11123139520193. The next prime is 11123139520231. The reversal of 11123139520223 is 32202593132111.

It is a cyclic number.

It is not a de Polignac number, because 11123139520223 - 2³² = 11118844552927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123139520253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 845915 + ... + 4791852.

It is an arithmetic number, because the mean of its divisors is an integer number (753487693200).

Almost surely, 2^{11123139520223} is an apocalyptic number.

11123139520223 is a deficient number, since it is larger than the sum of its proper divisors (932663570977).

11123139520223 is a wasteful number, since it uses less digits than its factorization.

11123139520223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5640526.

The product of its (nonzero) digits is 19440, while the sum is 35.

The spelling of 11123139520223 in words is "eleven trillion, one hundred twenty-three billion, one hundred thirty-nine million, five hundred twenty thousand, two hundred twenty-three".