111213132023 has 8 divisors (see below), whose sum is σ = 131483506080. Its totient is φ = 92038453920.

The previous prime is 111213132007. The next prime is 111213132029. The reversal of 111213132023 is 320231312111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111213132023 - 2⁴ = 111213132007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111213131986 and 111213132004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111213132029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273923768 + ... + 273924173.

It is an arithmetic number, because the mean of its divisors is an integer number (16435438260).

Almost surely, 2^111213132023 is an apocalyptic number.

111213132023 is a deficient number, since it is larger than the sum of its proper divisors (20270374057).

111213132023 is an equidigital number, since it uses as much as digits as its factorization.

111213132023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547847977.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 111213132023 its reverse (320231312111), we get a palindrome (431444444134).

The spelling of 111213132023 in words is "one hundred eleven billion, two hundred thirteen million, one hundred thirty-two thousand, twenty-three".