22302320143 has 4 divisors (see below), whose sum is σ = 22302736840. Its totient is φ = 22301903448.

The previous prime is 22302320141. The next prime is 22302320171. The reversal of 22302320143 is 34102320322.

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

It is a cyclic number.

It is not a de Polignac number, because 22302320143 - 2¹ = 22302320141 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 (22302320141) 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, 113748 + ... + 239881.

It is an arithmetic number, because the mean of its divisors is an integer number (5575684210).

Almost surely, 2^22302320143 is an apocalyptic number.

22302320143 is a deficient number, since it is larger than the sum of its proper divisors (416697).

22302320143 is an equidigital number, since it uses as much as digits as its factorization.

22302320143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416696.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 22302320143 its reverse (34102320322), we get a palindrome (56404640465).

The spelling of 22302320143 in words is "twenty-two billion, three hundred two million, three hundred twenty thousand, one hundred forty-three".