22073142543 has 8 divisors (see below), whose sum is σ = 29440774656. Its totient is φ = 14710469400.

The previous prime is 22073142529. The next prime is 22073142551. The reversal of 22073142543 is 34524137022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22073142543 - 2¹³ = 22073134351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22073142583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1229343 + ... + 1247168.

It is an arithmetic number, because the mean of its divisors is an integer number (3680096832).

Almost surely, 2^22073142543 is an apocalyptic number.

22073142543 is a deficient number, since it is larger than the sum of its proper divisors (7367632113).

22073142543 is a wasteful number, since it uses less digits than its factorization.

22073142543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2479485.

The product of its (nonzero) digits is 40320, while the sum is 33.

Adding to 22073142543 its reverse (34524137022), we get a palindrome (56597279565).

The spelling of 22073142543 in words is "twenty-two billion, seventy-three million, one hundred forty-two thousand, five hundred forty-three".