8123604312956 has 24 divisors (see below), whose sum is σ = 15762940117680. Its totient is φ = 3632013849600.

The previous prime is 8123604312953. The next prime is 8123604313037. The reversal of 8123604312956 is 6592134063218.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8123604312953) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1513336421 + ... + 1513341788.

It is an arithmetic number, because the mean of its divisors is an integer number (656789171570).

Almost surely, 2^{8123604312956} is an apocalyptic number.

It is an amenable number.

8123604312956 is a deficient number, since it is larger than the sum of its proper divisors (7639335804724).

8123604312956 is a wasteful number, since it uses less digits than its factorization.

8123604312956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3026678285 (or 3026678283 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 8123604312956 in words is "eight trillion, one hundred twenty-three billion, six hundred four million, three hundred twelve thousand, nine hundred fifty-six".