123744027236 has 6 divisors (see below), whose sum is σ = 216552047670. Its totient is φ = 61872013616.

The previous prime is 123744027229. The next prime is 123744027247. The reversal of 123744027236 is 632720447321.

It can be written as a sum of positive squares in only one way, i.e., 68856908836 + 54887118400 = 262406^2 + 234280^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123744027193 and 123744027202.

It is an unprimeable number.

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, 15468003401 + ... + 15468003408.

It is an arithmetic number, because the mean of its divisors is an integer number (36092007945).

Almost surely, 2^123744027236 is an apocalyptic number.

It is an amenable number.

123744027236 is a deficient number, since it is larger than the sum of its proper divisors (92808020434).

123744027236 is a wasteful number, since it uses less digits than its factorization.

123744027236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30936006813 (or 30936006811 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 41.

The spelling of 123744027236 in words is "one hundred twenty-three billion, seven hundred forty-four million, twenty-seven thousand, two hundred thirty-six".