123741552366 has 40 divisors (see below), whose sum is σ = 277734308544. Its totient is φ = 41178520800.

The previous prime is 123741552343. The next prime is 123741552409. The reversal of 123741552366 is 663255147321.

123741552366 is a `hidden beast` number, since 1 + 2 + 37 + 4 + 1 + 552 + 3 + 66 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 538110 + ... + 732833.

Almost surely, 2^123741552366 is an apocalyptic number.

123741552366 is an abundant number, since it is smaller than the sum of its proper divisors (153992756178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123741552366 is a wasteful number, since it uses less digits than its factorization.

123741552366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271558 (or 1271549 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

Adding to 123741552366 its reverse (663255147321), we get a palindrome (786996699687).

The spelling of 123741552366 in words is "one hundred twenty-three billion, seven hundred forty-one million, five hundred fifty-two thousand, three hundred sixty-six".