111365923 has 2 divisors, whose sum is σ = 111365924. Its totient is φ = 111365922.

The previous prime is 111365899. The next prime is 111365927. The reversal of 111365923 is 329563111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111365923 - 2¹³ = 111357731 is a prime.

It is not a weakly prime, because it can be changed into another prime (111365927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55682961 + 55682962.

It is an arithmetic number, because the mean of its divisors is an integer number (55682962).

Almost surely, 2^111365923 is an apocalyptic number.

111365923 is a deficient number, since it is larger than the sum of its proper divisors (1).

111365923 is an equidigital number, since it uses as much as digits as its factorization.

111365923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4860, while the sum is 31.

The square root of 111365923 is about 10553.0054013063. The cubic root of 111365923 is about 481.1170785319.

The spelling of 111365923 in words is "one hundred eleven million, three hundred sixty-five thousand, nine hundred twenty-three".