3923103844520 has 128 divisors (see below), whose sum is σ = 10514503434240. Its totient is φ = 1289037093120.

The previous prime is 3923103844493. The next prime is 3923103844523. The reversal of 3923103844520 is 254483013293.

It is not an unprimeable number, because it can be changed into a prime (3923103844523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1299992 + ... + 3088071.

It is an arithmetic number, because the mean of its divisors is an integer number (82144558080).

Almost surely, 2^{3923103844520} is an apocalyptic number.

It is an amenable number.

3923103844520 is an abundant number, since it is smaller than the sum of its proper divisors (6591399589720).

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

3923103844520 is a wasteful number, since it uses less digits than its factorization.

3923103844520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4388215 (or 4388211 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 3923103844520 in words is "three trillion, nine hundred twenty-three billion, one hundred three million, eight hundred forty-four thousand, five hundred twenty".