111423030143 has 8 divisors (see below), whose sum is σ = 113798872512. Its totient is φ = 109047402016.

The previous prime is 111423030109. The next prime is 111423030149. The reversal of 111423030143 is 341030324111.

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 111423030143 - 2¹⁸ = 111422767999 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 (111423030149) 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, 1432121 + ... + 1507917.

It is an arithmetic number, because the mean of its divisors is an integer number (14224859064).

Almost surely, 2^111423030143 is an apocalyptic number.

111423030143 is a deficient number, since it is larger than the sum of its proper divisors (2375842369).

111423030143 is an equidigital number, since it uses as much as digits as its factorization.

111423030143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107121.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 111423030143 its reverse (341030324111), we get a palindrome (452453354254).

The spelling of 111423030143 in words is "one hundred eleven billion, four hundred twenty-three million, thirty thousand, one hundred forty-three".