123032562556 has 12 divisors (see below), whose sum is σ = 215945879968. Its totient is φ = 61333739712.

The previous prime is 123032562473. The next prime is 123032562593. The reversal of 123032562556 is 655265230321.

It is a super-2 number, since 2×123032562556² (a number of 23 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 45633876 + ... + 45636571.

Almost surely, 2^123032562556 is an apocalyptic number.

It is an amenable number.

123032562556 is a deficient number, since it is larger than the sum of its proper divisors (92913317412).

123032562556 is a wasteful number, since it uses less digits than its factorization.

123032562556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91270788 (or 91270786 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 40.

Adding to 123032562556 its reverse (655265230321), we get a palindrome (778297792877).

The spelling of 123032562556 in words is "one hundred twenty-three billion, thirty-two million, five hundred sixty-two thousand, five hundred fifty-six".