141523321 has 8 divisors (see below), whose sum is σ = 143483400. Its totient is φ = 139574400.

The previous prime is 141523313. The next prime is 141523331. The reversal of 141523321 is 123325141.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 65205625 + 76317696 = 8075^2 + 8736^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 141523321 - 2³ = 141523313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 141523292 and 141523301.

It is not an unprimeable number, because it can be changed into a prime (141523331) 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 in 7 ways as a sum of consecutive naturals, for example, 24565 + ... + 29773.

It is an arithmetic number, because the mean of its divisors is an integer number (17935425).

Almost surely, 2^141523321 is an apocalyptic number.

It is an amenable number.

141523321 is a deficient number, since it is larger than the sum of its proper divisors (1960079).

141523321 is a wasteful number, since it uses less digits than its factorization.

141523321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5579.

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

The square root of 141523321 is about 11896.3574677294. The cubic root of 141523321 is about 521.1259146769.

Adding to 141523321 its reverse (123325141), we get a palindrome (264848462).

The spelling of 141523321 in words is "one hundred forty-one million, five hundred twenty-three thousand, three hundred twenty-one".