111321332023 has 16 divisors (see below), whose sum is σ = 123847335936. Its totient is φ = 99199844640.

The previous prime is 111321331973. The next prime is 111321332029. The reversal of 111321332023 is 320233123111.

It is a cyclic number.

It is not a de Polignac number, because 111321332023 - 2²⁵ = 111287777591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111321331985 and 111321332003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111321332029) 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, 545890 + ... + 721552.

It is an arithmetic number, because the mean of its divisors is an integer number (7740458496).

Almost surely, 2^111321332023 is an apocalyptic number.

111321332023 is a deficient number, since it is larger than the sum of its proper divisors (12526003913).

111321332023 is a wasteful number, since it uses less digits than its factorization.

111321332023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176814.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 111321332023 its reverse (320233123111), we get a palindrome (431554455134).

It can be divided in two parts, 111321 and 332023, that added together give a palindrome (443344).

The spelling of 111321332023 in words is "one hundred eleven billion, three hundred twenty-one million, three hundred thirty-two thousand, twenty-three".