22643723156053 has 8 divisors (see below), whose sum is σ = 22653580138200. Its totient is φ = 22633867081728.

The previous prime is 22643723156039. The next prime is 22643723156083. The reversal of 22643723156053 is 35065132734622.

It can be written as a sum of positive squares in 4 ways, for example, as 6424795339524 + 16218927816529 = 2534718^2 + 4027273^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22643723156053 - 2⁴¹ = 20444699900501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22643723155988 and 22643723156006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22643723156023) 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, 52300975 + ... + 52732147.

It is an arithmetic number, because the mean of its divisors is an integer number (2831697517275).

Almost surely, 2^{22643723156053} is an apocalyptic number.

It is an amenable number.

22643723156053 is a deficient number, since it is larger than the sum of its proper divisors (9856982147).

22643723156053 is a wasteful number, since it uses less digits than its factorization.

22643723156053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453911.

The product of its (nonzero) digits is 5443200, while the sum is 49.

The spelling of 22643723156053 in words is "twenty-two trillion, six hundred forty-three billion, seven hundred twenty-three million, one hundred fifty-six thousand, fifty-three".