111423404214123 has 4 divisors (see below), whose sum is σ = 148564538952168. Its totient is φ = 74282269476080.

The previous prime is 111423404214103. The next prime is 111423404214137. The reversal of 111423404214123 is 321412404324111.

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 111423404214123 - 2⁸ = 111423404213867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111423404214103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18570567369018 + ... + 18570567369023.

It is an arithmetic number, because the mean of its divisors is an integer number (37141134738042).

Almost surely, 2^{111423404214123} is an apocalyptic number.

111423404214123 is a deficient number, since it is larger than the sum of its proper divisors (37141134738045).

111423404214123 is an equidigital number, since it uses as much as digits as its factorization.

111423404214123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37141134738044.

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 111423404214123 its reverse (321412404324111), we get a palindrome (432835808538234).

The spelling of 111423404214123 in words is "one hundred eleven trillion, four hundred twenty-three billion, four hundred four million, two hundred fourteen thousand, one hundred twenty-three".