112456123477 has 2 divisors, whose sum is σ = 112456123478. Its totient is φ = 112456123476.

The previous prime is 112456123457. The next prime is 112456123499. The reversal of 112456123477 is 774321654211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109475618641 + 2980504836 = 330871^2 + 54594^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112456123477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112456123447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56228061738 + 56228061739.

It is an arithmetic number, because the mean of its divisors is an integer number (56228061739).

Almost surely, 2^112456123477 is an apocalyptic number.

It is an amenable number.

112456123477 is a deficient number, since it is larger than the sum of its proper divisors (1).

112456123477 is an equidigital number, since it uses as much as digits as its factorization.

112456123477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 43.

Adding to 112456123477 its reverse (774321654211), we get a palindrome (886777777688).

The spelling of 112456123477 in words is "one hundred twelve billion, four hundred fifty-six million, one hundred twenty-three thousand, four hundred seventy-seven".