112403645623 has 4 divisors (see below), whose sum is σ = 112404484368. Its totient is φ = 112402806880.

The previous prime is 112403645609. The next prime is 112403645639. The reversal of 112403645623 is 326546304211.

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: 326546304211 = 17863 ⋅18280597.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112403645623 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 (112403645423) 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, 168211 + ... + 503092.

It is an arithmetic number, because the mean of its divisors is an integer number (28101121092).

Almost surely, 2^112403645623 is an apocalyptic number.

112403645623 is a deficient number, since it is larger than the sum of its proper divisors (838745).

112403645623 is an equidigital number, since it uses as much as digits as its factorization.

112403645623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838744.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 112403645623 its reverse (326546304211), we get a palindrome (438949949834).

The spelling of 112403645623 in words is "one hundred twelve billion, four hundred three million, six hundred forty-five thousand, six hundred twenty-three".