111842945023 has 4 divisors (see below), whose sum is σ = 112147694560. Its totient is φ = 111538195488.

The previous prime is 111842945017. The next prime is 111842945041. The reversal of 111842945023 is 320549248111.

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 111842945023 - 2²¹ = 111840847871 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 (117842945023) 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, 152374218 + ... + 152374951.

It is an arithmetic number, because the mean of its divisors is an integer number (28036923640).

Almost surely, 2^111842945023 is an apocalyptic number.

111842945023 is a deficient number, since it is larger than the sum of its proper divisors (304749537).

111842945023 is an equidigital number, since it uses as much as digits as its factorization.

111842945023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304749536.

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 111842945023 in words is "one hundred eleven billion, eight hundred forty-two million, nine hundred forty-five thousand, twenty-three".