141523231 has 2 divisors, whose sum is σ = 141523232. Its totient is φ = 141523230.

The previous prime is 141523201. The next prime is 141523253. The reversal of 141523231 is 132325141.

It is a happy number.

It is an a-pointer prime, because the next prime (141523253) can be obtained adding 141523231 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 141523231 - 2⁵ = 141523199 is a prime.

It is a super-2 number, since 2×141523231² = 40057649825358722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141523201) 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 as a sum of consecutive naturals, namely, 70761615 + 70761616.

It is an arithmetic number, because the mean of its divisors is an integer number (70761616).

Almost surely, 2^141523231 is an apocalyptic number.

141523231 is a deficient number, since it is larger than the sum of its proper divisors (1).

141523231 is an equidigital number, since it uses as much as digits as its factorization.

141523231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 22.

The square root of 141523231 is about 11896.3536850583. The cubic root of 141523231 is about 521.1258042090.

Adding to 141523231 its reverse (132325141), we get a palindrome (273848372).

The spelling of 141523231 in words is "one hundred forty-one million, five hundred twenty-three thousand, two hundred thirty-one".