20411303430223 has 16 divisors (see below), whose sum is σ = 21112782382944. Its totient is φ = 19724680488960.

The previous prime is 20411303430209. The next prime is 20411303430239. The reversal of 20411303430223 is 32203430311402.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20411303430223 - 2³⁷ = 20273864476751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20411303430191 and 20411303430200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20411303400223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11779165 + ... + 13400422.

It is an arithmetic number, because the mean of its divisors is an integer number (1319548898934).

Almost surely, 2^{20411303430223} is an apocalyptic number.

20411303430223 is a deficient number, since it is larger than the sum of its proper divisors (701478952721).

20411303430223 is a wasteful number, since it uses less digits than its factorization.

20411303430223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25179882.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 20411303430223 its reverse (32203430311402), we get a palindrome (52614733741625).

The spelling of 20411303430223 in words is "twenty trillion, four hundred eleven billion, three hundred three million, four hundred thirty thousand, two hundred twenty-three".