112021423123 has 4 divisors (see below), whose sum is σ = 112022227720. Its totient is φ = 112020618528.

The previous prime is 112021423117. The next prime is 112021423169. The reversal of 112021423123 is 321324120211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 321324120211 = 59 ⋅5446171529.

It is a cyclic number.

It is not a de Polignac number, because 112021423123 - 2¹³ = 112021414931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112021423094 and 112021423103.

It is not an unprimeable number, because it can be changed into a prime (112021423193) 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, 133665 + ... + 491842.

It is an arithmetic number, because the mean of its divisors is an integer number (28005556930).

Almost surely, 2^112021423123 is an apocalyptic number.

112021423123 is a deficient number, since it is larger than the sum of its proper divisors (804597).

112021423123 is an equidigital number, since it uses as much as digits as its factorization.

112021423123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804596.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 112021423123 its reverse (321324120211), we get a palindrome (433345543334).

The spelling of 112021423123 in words is "one hundred twelve billion, twenty-one million, four hundred twenty-three thousand, one hundred twenty-three".