231241523 has 2 divisors, whose sum is σ = 231241524. Its totient is φ = 231241522.

The previous prime is 231241511. The next prime is 231241529. The reversal of 231241523 is 325142132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231241523 - 2¹⁴ = 231225139 is a prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (231241529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115620761 + 115620762.

It is an arithmetic number, because the mean of its divisors is an integer number (115620762).

Almost surely, 2^231241523 is an apocalyptic number.

231241523 is a deficient number, since it is larger than the sum of its proper divisors (1).

231241523 is an equidigital number, since it uses as much as digits as its factorization.

231241523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 23.

The square root of 231241523 is about 15206.6276011481. The cubic root of 231241523 is about 613.7930129151.

Adding to 231241523 its reverse (325142132), we get a palindrome (556383655).

The spelling of 231241523 in words is "two hundred thirty-one million, two hundred forty-one thousand, five hundred twenty-three".