111355023 has 8 divisors (see below), whose sum is σ = 159894448. Its totient is φ = 68526144.

The previous prime is 111355021. The next prime is 111355033. The reversal of 111355023 is 320553111.

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

It is not a de Polignac number, because 111355023 - 2¹ = 111355021 is a prime.

It is a super-2 number, since 2×111355023² = 24799882294661058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111355021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1427590 + ... + 1427667.

It is an arithmetic number, because the mean of its divisors is an integer number (19986806).

Almost surely, 2^111355023 is an apocalyptic number.

111355023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111355023 is a deficient number, since it is larger than the sum of its proper divisors (48539425).

111355023 is a wasteful number, since it uses less digits than its factorization.

111355023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2855273.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 111355023 is about 10552.4889481108. The cubic root of 111355023 is about 481.1013814882.

The spelling of 111355023 in words is "one hundred eleven million, three hundred fifty-five thousand, twenty-three".