231502453 has 12 divisors (see below), whose sum is σ = 286493088. Its totient is φ = 183165840.

The previous prime is 231502433. The next prime is 231502457. The reversal of 231502453 is 354205132.

It is not a de Polignac number, because 231502453 - 2⁵ = 231502421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231502457) 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, 96663 + ... + 99028.

It is an arithmetic number, because the mean of its divisors is an integer number (23874424).

Almost surely, 2^231502453 is an apocalyptic number.

It is an amenable number.

231502453 is a deficient number, since it is larger than the sum of its proper divisors (54990635).

231502453 is a wasteful number, since it uses less digits than its factorization.

231502453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195724 (or 195711 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 231502453 is about 15215.2046650711. The cubic root of 231502453 is about 614.0237915498.

Adding to 231502453 its reverse (354205132), we get a palindrome (585707585).

The spelling of 231502453 in words is "two hundred thirty-one million, five hundred two thousand, four hundred fifty-three".