111216024423 has 24 divisors (see below), whose sum is σ = 183672192288. Its totient is φ = 63525192192.

The previous prime is 111216024419. The next prime is 111216024427. The reversal of 111216024423 is 324420612111.

111216024423 is a `hidden beast` number, since 1 + 1 + 1 + 216 + 0 + 2 + 442 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (111216024419) and next prime (111216024427).

It is not a de Polignac number, because 111216024423 - 2² = 111216024419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111216024427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 221586 + ... + 521087.

It is an arithmetic number, because the mean of its divisors is an integer number (7653008012).

Almost surely, 2^111216024423 is an apocalyptic number.

111216024423 is a deficient number, since it is larger than the sum of its proper divisors (72456167865).

111216024423 is a wasteful number, since it uses less digits than its factorization.

111216024423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745063 (or 745060 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 111216024423 its reverse (324420612111), we get a palindrome (435636636534).

The spelling of 111216024423 in words is "one hundred eleven billion, two hundred sixteen million, twenty-four thousand, four hundred twenty-three".