111042923 has 2 divisors, whose sum is σ = 111042924. Its totient is φ = 111042922.

The previous prime is 111042917. The next prime is 111042937. The reversal of 111042923 is 329240111.

It is a weak prime.

It is an emirp because it is prime and its reverse (329240111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111042923 - 2⁸ = 111042667 is a prime.

It is not a weakly prime, because it can be changed into another prime (111042913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55521461 + 55521462.

It is an arithmetic number, because the mean of its divisors is an integer number (55521462).

Almost surely, 2^111042923 is an apocalyptic number.

111042923 is a deficient number, since it is larger than the sum of its proper divisors (1).

111042923 is an equidigital number, since it uses as much as digits as its factorization.

111042923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 111042923 is about 10537.6905913962. The cubic root of 111042923 is about 480.6514923706.

The spelling of 111042923 in words is "one hundred eleven million, forty-two thousand, nine hundred twenty-three".