16315032523 has 16 divisors (see below), whose sum is σ = 16934176512. Its totient is φ = 15708420000.

The previous prime is 16315032511. The next prime is 16315032529. The reversal of 16315032523 is 32523051361.

It is a cyclic number.

It is not a de Polignac number, because 16315032523 - 2¹⁷ = 16314901451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16315032529) 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, 840993 + ... + 860173.

It is an arithmetic number, because the mean of its divisors is an integer number (1058386032).

Almost surely, 2^16315032523 is an apocalyptic number.

16315032523 is a deficient number, since it is larger than the sum of its proper divisors (619143989).

16315032523 is a wasteful number, since it uses less digits than its factorization.

16315032523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19506.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 16315032523 its reverse (32523051361), we get a palindrome (48838083884).

The spelling of 16315032523 in words is "sixteen billion, three hundred fifteen million, thirty-two thousand, five hundred twenty-three".