120340523436 has 24 divisors (see below), whose sum is σ = 320908062720. Its totient is φ = 34383006672.

The previous prime is 120340523339. The next prime is 120340523437. The reversal of 120340523436 is 634325043021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120340523397 and 120340523406.

It is not an unprimeable number, because it can be changed into a prime (120340523437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716312556 + ... + 716312723.

It is an arithmetic number, because the mean of its divisors is an integer number (13371169280).

Almost surely, 2^120340523436 is an apocalyptic number.

It is an amenable number.

120340523436 is an abundant number, since it is smaller than the sum of its proper divisors (200567539284).

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

120340523436 is a wasteful number, since it uses less digits than its factorization.

120340523436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432625293 (or 1432625291 counting only the distinct ones).

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

Adding to 120340523436 its reverse (634325043021), we get a palindrome (754665566457).

The spelling of 120340523436 in words is "one hundred twenty billion, three hundred forty million, five hundred twenty-three thousand, four hundred thirty-six".