111123202323 has 32 divisors (see below), whose sum is σ = 172748851200. Its totient is φ = 62229758976.

The previous prime is 111123202319. The next prime is 111123202357. The reversal of 111123202323 is 323202321111.

It is not a de Polignac number, because 111123202323 - 2² = 111123202319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 111123202323.

It is not an unprimeable number, because it can be changed into a prime (111123202373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51883 + ... + 474276.

It is an arithmetic number, because the mean of its divisors is an integer number (5398401600).

Almost surely, 2^111123202323 is an apocalyptic number.

111123202323 is a deficient number, since it is larger than the sum of its proper divisors (61625648877).

111123202323 is a wasteful number, since it uses less digits than its factorization.

111123202323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526371.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 111123202323 its reverse (323202321111), we get a palindrome (434325523434).

The spelling of 111123202323 in words is "one hundred eleven billion, one hundred twenty-three million, two hundred two thousand, three hundred twenty-three".