11023161123 has 16 divisors (see below), whose sum is σ = 15830138016. Its totient is φ = 6782622720.

The previous prime is 11023161113. The next prime is 11023161137. The reversal of 11023161123 is 32116132011.

It is not a de Polignac number, because 11023161123 - 2⁵ = 11023161091 is a prime.

It is a super-2 number, since 2×11023161123² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11023161123.

It is not an unprimeable number, because it can be changed into a prime (11023161113) 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, 443461 + ... + 467657.

It is an arithmetic number, because the mean of its divisors is an integer number (989383626).

Almost surely, 2^11023161123 is an apocalyptic number.

11023161123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11023161123 is a deficient number, since it is larger than the sum of its proper divisors (4806976893).

11023161123 is a wasteful number, since it uses less digits than its factorization.

11023161123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35894.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 11023161123 its reverse (32116132011), we get a palindrome (43139293134).

The spelling of 11023161123 in words is "eleven billion, twenty-three million, one hundred sixty-one thousand, one hundred twenty-three".