111432452623 has 4 divisors (see below), whose sum is σ = 111482808408. Its totient is φ = 111382096840.

The previous prime is 111432452603. The next prime is 111432452627. The reversal of 111432452623 is 326254234111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111432452623 - 2²⁹ = 110895581711 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 (111432452627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25174573 + ... + 25178998.

It is an arithmetic number, because the mean of its divisors is an integer number (27870702102).

Almost surely, 2^111432452623 is an apocalyptic number.

111432452623 is a deficient number, since it is larger than the sum of its proper divisors (50355785).

111432452623 is an equidigital number, since it uses as much as digits as its factorization.

111432452623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50355784.

The product of its digits is 34560, while the sum is 34.

Adding to 111432452623 its reverse (326254234111), we get a palindrome (437686686734).

The spelling of 111432452623 in words is "one hundred eleven billion, four hundred thirty-two million, four hundred fifty-two thousand, six hundred twenty-three".