14330723521 has 9 divisors (see below), whose sum is σ = 14584922211. Its totient is φ = 14080886664.

The previous prime is 14330723471. The next prime is 14330723569. The reversal of 14330723521 is 12532703341.

The square root of 14330723521 is 119711.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 14217939121 + 112784400 = 119239^2 + 10620^2 .

It is not a de Polignac number, because 14330723521 - 2¹⁷ = 14330592449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14330723621) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7061935 + ... + 7063963.

Almost surely, 2^14330723521 is an apocalyptic number.

14330723521 is the 119711-st square number.

14330723521 is the 59856-th centered octagonal number.

It is an amenable number.

14330723521 is a deficient number, since it is larger than the sum of its proper divisors (254198690).

14330723521 is an frugal number, since it uses more digits than its factorization.

14330723521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4176 (or 2088 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The spelling of 14330723521 in words is "fourteen billion, three hundred thirty million, seven hundred twenty-three thousand, five hundred twenty-one".