231452553 has 8 divisors (see below), whose sum is σ = 308916928. Its totient is φ = 154144944.

The previous prime is 231452527. The next prime is 231452563. The reversal of 231452553 is 355254132.

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

It is not a de Polignac number, because 231452553 - 2⁵ = 231452521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231452553.

It is not an unprimeable number, because it can be changed into a prime (231452563) 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 7 ways as a sum of consecutive naturals, for example, 35701 + ... + 41682.

It is an arithmetic number, because the mean of its divisors is an integer number (38614616).

Almost surely, 2^231452553 is an apocalyptic number.

It is an amenable number.

231452553 is a deficient number, since it is larger than the sum of its proper divisors (77464375).

231452553 is an equidigital number, since it uses as much as digits as its factorization.

231452553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78383.

The product of its digits is 18000, while the sum is 30.

The square root of 231452553 is about 15213.5647696390. The cubic root of 231452553 is about 613.9796710830.

The spelling of 231452553 in words is "two hundred thirty-one million, four hundred fifty-two thousand, five hundred fifty-three".