112569823 has 2 divisors, whose sum is σ = 112569824. Its totient is φ = 112569822.

The previous prime is 112569811. The next prime is 112569881. The reversal of 112569823 is 328965211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112569823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112569803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56284911 + 56284912.

It is an arithmetic number, because the mean of its divisors is an integer number (56284912).

Almost surely, 2^112569823 is an apocalyptic number.

112569823 is a deficient number, since it is larger than the sum of its proper divisors (1).

112569823 is an equidigital number, since it uses as much as digits as its factorization.

112569823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 37.

The square root of 112569823 is about 10609.8926950276. The cubic root of 112569823 is about 482.8445433005.

It can be divided in two parts, 1125698 and 23, that added together give a square (1125721 = 1061²).

The spelling of 112569823 in words is "one hundred twelve million, five hundred sixty-nine thousand, eight hundred twenty-three".