123536340024 has 32 divisors (see below), whose sum is σ = 316373556240. Its totient is φ = 40174419200.

The previous prime is 123536339957. The next prime is 123536340041. The reversal of 123536340024 is 420043635321.

It is a happy number.

It is a super-2 number, since 2×123536340024² (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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62771547 + ... + 62773514.

Almost surely, 2^123536340024 is an apocalyptic number.

It is an amenable number.

123536340024 is an abundant number, since it is smaller than the sum of its proper divisors (192837216216).

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

123536340024 is a wasteful number, since it uses less digits than its factorization.

123536340024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125545111 (or 125545107 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 123536340024 its reverse (420043635321), we get a palindrome (543579975345).

The spelling of 123536340024 in words is "one hundred twenty-three billion, five hundred thirty-six million, three hundred forty thousand, twenty-four".