231234253 has 2 divisors, whose sum is σ = 231234254. Its totient is φ = 231234252.

The previous prime is 231234251. The next prime is 231234271. The reversal of 231234253 is 352432132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116251524 + 114982729 = 10782^2 + 10723^2 .

It is a cyclic number.

It is not a de Polignac number, because 231234253 - 2¹ = 231234251 is a prime.

Together with 231234251, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231234251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115617126 + 115617127.

It is an arithmetic number, because the mean of its divisors is an integer number (115617127).

Almost surely, 2^231234253 is an apocalyptic number.

It is an amenable number.

231234253 is a deficient number, since it is larger than the sum of its proper divisors (1).

231234253 is an equidigital number, since it uses as much as digits as its factorization.

231234253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 25.

The square root of 231234253 is about 15206.3885587604. The cubic root of 231234253 is about 613.7865805035.

Adding to 231234253 its reverse (352432132), we get a palindrome (583666385).

The spelling of 231234253 in words is "two hundred thirty-one million, two hundred thirty-four thousand, two hundred fifty-three".