111423241 has 2 divisors, whose sum is σ = 111423242. Its totient is φ = 111423240.

The previous prime is 111423233. The next prime is 111423251. The reversal of 111423241 is 142324111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63536841 + 47886400 = 7971^2 + 6920^2 .

It is a cyclic number.

It is not a de Polignac number, because 111423241 - 2³ = 111423233 is a prime.

It is not a weakly prime, because it can be changed into another prime (111423251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55711620 + 55711621.

It is an arithmetic number, because the mean of its divisors is an integer number (55711621).

Almost surely, 2^111423241 is an apocalyptic number.

It is an amenable number.

111423241 is a deficient number, since it is larger than the sum of its proper divisors (1).

111423241 is an equidigital number, since it uses as much as digits as its factorization.

111423241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 19.

The square root of 111423241 is about 10555.7207712216. The cubic root of 111423241 is about 481.1996050901.

Adding to 111423241 its reverse (142324111), we get a palindrome (253747352).

It can be divided in two parts, 11 and 1423241, that multiplied together give a palindrome (15655651).

The spelling of 111423241 in words is "one hundred eleven million, four hundred twenty-three thousand, two hundred forty-one".