111023393 has 8 divisors (see below), whose sum is σ = 121820328. Its totient is φ = 100548864.

The previous prime is 111023389. The next prime is 111023399. The reversal of 111023393 is 393320111.

It can be written as a sum of positive squares in 4 ways, for example, as 34845409 + 76177984 = 5903^2 + 8728^2 .

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

It is not a de Polignac number, because 111023393 - 2² = 111023389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111023399) 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, 79880 + ... + 81257.

It is an arithmetic number, because the mean of its divisors is an integer number (15227541).

Almost surely, 2^111023393 is an apocalyptic number.

111023393 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

111023393 is a deficient number, since it is larger than the sum of its proper divisors (10796935).

111023393 is a wasteful number, since it uses less digits than its factorization.

111023393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161203.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 111023393 is about 10536.7638770165. The cubic root of 111023393 is about 480.6233120544.

The spelling of 111023393 in words is "one hundred eleven million, twenty-three thousand, three hundred ninety-three".