111552123 has 8 divisors (see below), whose sum is σ = 148792336. Its totient is φ = 74340000.

The previous prime is 111552107. The next prime is 111552127. The reversal of 111552123 is 321255111.

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

It is not a de Polignac number, because 111552123 - 2⁴ = 111552107 is a prime.

It is a super-2 number, since 2×111552123² = 24887752291614258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111552123.

It is not an unprimeable number, because it can be changed into a prime (111552127) 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, 5373 + ... + 15873.

It is an arithmetic number, because the mean of its divisors is an integer number (18599042).

Almost surely, 2^111552123 is an apocalyptic number.

111552123 is a deficient number, since it is larger than the sum of its proper divisors (37240213).

111552123 is a wasteful number, since it uses less digits than its factorization.

111552123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14045.

The product of its digits is 300, while the sum is 21.

The square root of 111552123 is about 10561.8238481808. The cubic root of 111552123 is about 481.3850663113.

The spelling of 111552123 in words is "one hundred eleven million, five hundred fifty-two thousand, one hundred twenty-three".