111402433423 has 8 divisors (see below), whose sum is σ = 121143505392. Its totient is φ = 102015582336.

The previous prime is 111402433393. The next prime is 111402433477. The reversal of 111402433423 is 324334204111.

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 111402433423 - 2¹⁷ = 111402302351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111402433391 and 111402433400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111402433523) 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, 88554565 + ... + 88555822.

It is an arithmetic number, because the mean of its divisors is an integer number (15142938174).

Almost surely, 2^111402433423 is an apocalyptic number.

111402433423 is a deficient number, since it is larger than the sum of its proper divisors (9741071969).

111402433423 is a wasteful number, since it uses less digits than its factorization.

111402433423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177110441.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 111402433423 its reverse (324334204111), we get a palindrome (435736637534).

The spelling of 111402433423 in words is "one hundred eleven billion, four hundred two million, four hundred thirty-three thousand, four hundred twenty-three".