2320543204145 has 4 divisors (see below), whose sum is σ = 2784651844980. Its totient is φ = 1856434563312.

The previous prime is 2320543204129. The next prime is 2320543204163. The reversal of 2320543204145 is 5414023450232.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 270182683681 + 2050360520464 = 519791^2 + 1431908^2 .

It is a cyclic number.

It is not a de Polignac number, because 2320543204145 - 2⁴ = 2320543204129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232054320410 + ... + 232054320419.

It is an arithmetic number, because the mean of its divisors is an integer number (696162961245).

Almost surely, 2^{2320543204145} is an apocalyptic number.

It is an amenable number.

2320543204145 is a deficient number, since it is larger than the sum of its proper divisors (464108640835).

2320543204145 is an equidigital number, since it uses as much as digits as its factorization.

2320543204145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464108640834.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 2320543204145 its reverse (5414023450232), we get a palindrome (7734566654377).

The spelling of 2320543204145 in words is "two trillion, three hundred twenty billion, five hundred forty-three million, two hundred four thousand, one hundred forty-five".