3973744523 has 16 divisors (see below), whose sum is σ = 4835596800. Its totient is φ = 3257970408.

The previous prime is 3973744513. The next prime is 3973744571. The reversal of 3973744523 is 3254473793.

It is not a de Polignac number, because 3973744523 - 2¹⁴ = 3973728139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3973744513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243965 + ... + 259742.

It is an arithmetic number, because the mean of its divisors is an integer number (302224800).

Almost surely, 2^3973744523 is an apocalyptic number.

3973744523 is a deficient number, since it is larger than the sum of its proper divisors (861852277).

3973744523 is an equidigital number, since it uses as much as digits as its factorization.

3973744523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503751 (or 503737 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 47.

The square root of 3973744523 is about 63037.6436980317. The cubic root of 3973744523 is about 1583.9202606858.

The spelling of 3973744523 in words is "three billion, nine hundred seventy-three million, seven hundred forty-four thousand, five hundred twenty-three".