123352340524 has 24 divisors (see below), whose sum is σ = 250886119680. Its totient is φ = 51969266256.

The previous prime is 123352340509. The next prime is 123352340557. The reversal of 123352340524 is 425043253321.

It is a self number, because there is not a number n which added to its sum of digits gives 123352340524.

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, 37332592 + ... + 37335895.

It is an arithmetic number, because the mean of its divisors is an integer number (10453588320).

Almost surely, 2^123352340524 is an apocalyptic number.

123352340524 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

123352340524 is an abundant number, since it is smaller than the sum of its proper divisors (127533779156).

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

123352340524 is a wasteful number, since it uses less digits than its factorization.

123352340524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74668557 (or 74668555 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 123352340524 its reverse (425043253321), we get a palindrome (548395593845).

The spelling of 123352340524 in words is "one hundred twenty-three billion, three hundred fifty-two million, three hundred forty thousand, five hundred twenty-four".