111021323 has 16 divisors (see below), whose sum is σ = 131518464. Its totient is φ = 91709280.

The previous prime is 111021319. The next prime is 111021341. The reversal of 111021323 is 323120111.

It is a cyclic number.

It is not a de Polignac number, because 111021323 - 2² = 111021319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111021298 and 111021307.

It is not an unprimeable number, because it can be changed into a prime (111021223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59186 + ... + 61032.

It is an arithmetic number, because the mean of its divisors is an integer number (8219904).

Almost surely, 2^111021323 is an apocalyptic number.

111021323 is a deficient number, since it is larger than the sum of its proper divisors (20497141).

111021323 is a wasteful number, since it uses less digits than its factorization.

111021323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2162.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 111021323 is about 10536.6656490562. The cubic root of 111021323 is about 480.6203250070.

Adding to 111021323 its reverse (323120111), we get a palindrome (434141434).

The spelling of 111021323 in words is "one hundred eleven million, twenty-one thousand, three hundred twenty-three".