229732453 has 4 divisors (see below), whose sum is σ = 229763308. Its totient is φ = 229701600.

The previous prime is 229732427. The next prime is 229732469. The reversal of 229732453 is 354237922.

229732453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 354237922 = 2 ⋅177118961.

It can be written as a sum of positive squares in 2 ways, for example, as 121925764 + 107806689 = 11042^2 + 10383^2 .

It is a cyclic number.

It is not a de Polignac number, because 229732453 - 2⁹ = 229731941 is a prime.

It is a super-2 number, since 2×229732453² = 105553999922794418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229732493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3403 + ... + 21703.

It is an arithmetic number, because the mean of its divisors is an integer number (57440827).

Almost surely, 2^229732453 is an apocalyptic number.

It is an amenable number.

229732453 is a deficient number, since it is larger than the sum of its proper divisors (30855).

229732453 is a wasteful number, since it uses less digits than its factorization.

229732453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30854.

The product of its digits is 90720, while the sum is 37.

The square root of 229732453 is about 15156.9275580508. The cubic root of 229732453 is about 612.4549042462.

The spelling of 229732453 in words is "two hundred twenty-nine million, seven hundred thirty-two thousand, four hundred fifty-three".