231235453 has 12 divisors (see below), whose sum is σ = 245932960. Its totient is φ = 216813672.

The previous prime is 231235421. The next prime is 231235463. The reversal of 231235453 is 354532132.

It is not a de Polignac number, because 231235453 - 2⁵ = 231235421 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231235463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 217000 + ... + 218062.

Almost surely, 2^231235453 is an apocalyptic number.

It is an amenable number.

231235453 is a deficient number, since it is larger than the sum of its proper divisors (14697507).

231235453 is a wasteful number, since it uses less digits than its factorization.

231235453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296 (or 1189 counting only the distinct ones).

The product of its digits is 10800, while the sum is 28.

The square root of 231235453 is about 15206.4280158096. The cubic root of 231235453 is about 613.7876422589.

Adding to 231235453 its reverse (354532132), we get a palindrome (585767585).

The spelling of 231235453 in words is "two hundred thirty-one million, two hundred thirty-five thousand, four hundred fifty-three".