111432512023 has 8 divisors (see below), whose sum is σ = 127353670560. Its totient is φ = 95511910560.

The previous prime is 111432512003. The next prime is 111432512063. The reversal of 111432512023 is 320215234111.

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

It is a cyclic number.

It is not a de Polignac number, because 111432512023 - 2⁹ = 111432511511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111432512003) 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, 463053 + ... + 661273.

It is an arithmetic number, because the mean of its divisors is an integer number (15919208820).

Almost surely, 2^111432512023 is an apocalyptic number.

111432512023 is a deficient number, since it is larger than the sum of its proper divisors (15921158537).

111432512023 is an equidigital number, since it uses as much as digits as its factorization.

111432512023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278537.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 111432512023 its reverse (320215234111), we get a palindrome (431647746134).

The spelling of 111432512023 in words is "one hundred eleven billion, four hundred thirty-two million, five hundred twelve thousand, twenty-three".