111205424000023 has 16 divisors (see below), whose sum is σ = 112652287488000. Its totient is φ = 109759547544192.

The previous prime is 111205424000017. The next prime is 111205424000051. The reversal of 111205424000023 is 320000424502111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111205424000023 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 (111205424000623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3636882511 + ... + 3636913087.

It is an arithmetic number, because the mean of its divisors is an integer number (7040767968000).

Almost surely, 2^{111205424000023} is an apocalyptic number.

111205424000023 is a deficient number, since it is larger than the sum of its proper divisors (1446863487977).

111205424000023 is an equidigital number, since it uses as much as digits as its factorization.

111205424000023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45174.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 111205424000023 its reverse (320000424502111), we get a palindrome (431205848502134).

The spelling of 111205424000023 in words is "one hundred eleven trillion, two hundred five billion, four hundred twenty-four million, twenty-three", and thus it is an aban number.