323140141 has 4 divisors (see below), whose sum is σ = 330655072. Its totient is φ = 315625212.

The previous prime is 323140117. The next prime is 323140171. The reversal of 323140141 is 141041323.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 323140141 - 2¹⁵ = 323107373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323140171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3757401 + ... + 3757486.

It is an arithmetic number, because the mean of its divisors is an integer number (82663768).

Almost surely, 2^323140141 is an apocalyptic number.

It is an amenable number.

323140141 is a deficient number, since it is larger than the sum of its proper divisors (7514931).

323140141 is an equidigital number, since it uses as much as digits as its factorization.

323140141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7514930.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 323140141 is about 17976.0991597176. The cubic root of 323140141 is about 686.2204190730.

Adding to 323140141 its reverse (141041323), we get a palindrome (464181464).

The spelling of 323140141 in words is "three hundred twenty-three million, one hundred forty thousand, one hundred forty-one".