111304923 has 4 divisors (see below), whose sum is σ = 148406568. Its totient is φ = 74203280.

The previous prime is 111304903. The next prime is 111304951. The reversal of 111304923 is 329403111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111304923 - 2⁵ = 111304891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111304893 and 111304902.

It is not an unprimeable number, because it can be changed into a prime (111304903) 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 3 ways as a sum of consecutive naturals, for example, 18550818 + ... + 18550823.

It is an arithmetic number, because the mean of its divisors is an integer number (37101642).

Almost surely, 2^111304923 is an apocalyptic number.

111304923 is a deficient number, since it is larger than the sum of its proper divisors (37101645).

111304923 is an equidigital number, since it uses as much as digits as its factorization.

111304923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37101644.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 111304923 is about 10550.1148334983. The cubic root of 111304923 is about 481.0292195141.

The spelling of 111304923 in words is "one hundred eleven million, three hundred four thousand, nine hundred twenty-three".