323132143501 has 2 divisors, whose sum is σ = 323132143502. Its totient is φ = 323132143500.

The previous prime is 323132143403. The next prime is 323132143507. The reversal of 323132143501 is 105341231323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 291697208100 + 31434935401 = 540090^2 + 177299^2 .

It is a cyclic number.

It is not a de Polignac number, because 323132143501 - 2²⁷ = 322997925773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 323132143501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323132143507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161566071750 + 161566071751.

It is an arithmetic number, because the mean of its divisors is an integer number (161566071751).

Almost surely, 2^323132143501 is an apocalyptic number.

It is an amenable number.

323132143501 is a deficient number, since it is larger than the sum of its proper divisors (1).

323132143501 is an equidigital number, since it uses as much as digits as its factorization.

323132143501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 323132143501 its reverse (105341231323), we get a palindrome (428473374824).

The spelling of 323132143501 in words is "three hundred twenty-three billion, one hundred thirty-two million, one hundred forty-three thousand, five hundred one".