163230453 has 6 divisors (see below), whose sum is σ = 235777334. Its totient is φ = 108820296.

The previous prime is 163230437. The next prime is 163230493. The reversal of 163230453 is 354032361.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 113358609 + 49871844 = 10647^2 + 7062^2 .

It is not a de Polignac number, because 163230453 - 2⁴ = 163230437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163230493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9068350 + ... + 9068367.

Almost surely, 2^163230453 is an apocalyptic number.

It is an amenable number.

163230453 is a deficient number, since it is larger than the sum of its proper divisors (72546881).

163230453 is a wasteful number, since it uses less digits than its factorization.

163230453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18136723 (or 18136720 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 163230453 is about 12776.1673830613. The cubic root of 163230453 is about 546.5128719575.

The spelling of 163230453 in words is "one hundred sixty-three million, two hundred thirty thousand, four hundred fifty-three".