123506497368 has 48 divisors (see below), whose sum is σ = 334565290800. Its totient is φ = 41160398400.

The previous prime is 123506497357. The next prime is 123506497381. The reversal of 123506497368 is 863794605321.

123506497368 is a `hidden beast` number, since 1 + 2 + 3 + 506 + 4 + 9 + 73 + 68 = 666.

It is a super-2 number, since 2×123506497368² (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 11 ways as a sum of consecutive naturals, for example, 183238 + ... + 529706.

It is an arithmetic number, because the mean of its divisors is an integer number (6970110225).

It is a 1-persistent number, because it is pandigital, but 2⋅123506497368 = 247012994736 is not.

Almost surely, 2^123506497368 is an apocalyptic number.

123506497368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

123506497368 is an abundant number, since it is smaller than the sum of its proper divisors (211058793432).

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

123506497368 is a wasteful number, since it uses less digits than its factorization.

123506497368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351432 (or 351425 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 123506497368 in words is "one hundred twenty-three billion, five hundred six million, four hundred ninety-seven thousand, three hundred sixty-eight".