143205323403423 has 16 divisors (see below), whose sum is σ = 193588711969536. Its totient is φ = 94146516550080.

The previous prime is 143205323403421. The next prime is 143205323403433. The reversal of 143205323403423 is 324304323502341.

It is not a de Polignac number, because 143205323403423 - 2¹ = 143205323403421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143205323403421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53865273 + ... + 56461298.

It is an arithmetic number, because the mean of its divisors is an integer number (12099294498096).

Almost surely, 2^{143205323403423} is an apocalyptic number.

143205323403423 is a deficient number, since it is larger than the sum of its proper divisors (50383388566113).

143205323403423 is a wasteful number, since it uses less digits than its factorization.

143205323403423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110332574.

The product of its (nonzero) digits is 622080, while the sum is 39.

Adding to 143205323403423 its reverse (324304323502341), we get a palindrome (467509646905764).

The spelling of 143205323403423 in words is "one hundred forty-three trillion, two hundred five billion, three hundred twenty-three million, four hundred three thousand, four hundred twenty-three".