123053636 has 12 divisors (see below), whose sum is σ = 216239100. Its totient is φ = 61271040.

The previous prime is 123053627. The next prime is 123053683. The reversal of 123053636 is 636350321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 90060100 + 32993536 = 9490^2 + 5744^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123053599 and 123053608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62861 + ... + 64788.

It is an arithmetic number, because the mean of its divisors is an integer number (18019925).

Almost surely, 2^123053636 is an apocalyptic number.

It is an amenable number.

123053636 is a deficient number, since it is larger than the sum of its proper divisors (93185464).

123053636 is a wasteful number, since it uses less digits than its factorization.

123053636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127894 (or 127892 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 123053636 is about 11092.9543404812. The cubic root of 123053636 is about 497.3912606296.

The spelling of 123053636 in words is "one hundred twenty-three million, fifty-three thousand, six hundred thirty-six".