111200123 has 8 divisors (see below), whose sum is σ = 115728480. Its totient is φ = 106718080.

The previous prime is 111200083. The next prime is 111200137. The reversal of 111200123 is 321002111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111200123 - 2⁸ = 111199867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111200143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6638 + ... + 16323.

It is an arithmetic number, because the mean of its divisors is an integer number (14466060).

Almost surely, 2^111200123 is an apocalyptic number.

111200123 is a deficient number, since it is larger than the sum of its proper divisors (4528357).

111200123 is a wasteful number, since it uses less digits than its factorization.

111200123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23157.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 111200123 is about 10545.1468932396. The cubic root of 111200123 is about 480.8781998616.

Adding to 111200123 its reverse (321002111), we get a palindrome (432202234).

The spelling of 111200123 in words is "one hundred eleven million, two hundred thousand, one hundred twenty-three".