162003523 has 8 divisors (see below), whose sum is σ = 187127280. Its totient is φ = 138612480.

The previous prime is 162003503. The next prime is 162003553. The reversal of 162003523 is 325300261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 162003523 - 2⁹ = 162003011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 162003494 and 162003503.

It is not an unprimeable number, because it can be changed into a prime (162003503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432978 + ... + 433351.

It is an arithmetic number, because the mean of its divisors is an integer number (23390910).

Almost surely, 2^162003523 is an apocalyptic number.

162003523 is a deficient number, since it is larger than the sum of its proper divisors (25123757).

162003523 is a wasteful number, since it uses less digits than its factorization.

162003523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866357.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 162003523 is about 12728.0604571160. The cubic root of 162003523 is about 545.1401294974.

Adding to 162003523 its reverse (325300261), we get a palindrome (487303784).

The spelling of 162003523 in words is "one hundred sixty-two million, three thousand, five hundred twenty-three".