20003030313223 has 16 divisors (see below), whose sum is σ = 21388758531840. Its totient is φ = 18651505219200.

The previous prime is 20003030313139. The next prime is 20003030313247. The reversal of 20003030313223 is 32231303030002.

It is a cyclic number.

It is not a de Polignac number, because 20003030313223 - 2¹³ = 20003030305031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20003030313194 and 20003030313203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003030313293) 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, 11838498 + ... + 13422223.

It is an arithmetic number, because the mean of its divisors is an integer number (1336797408240).

Almost surely, 2^{20003030313223} is an apocalyptic number.

20003030313223 is a deficient number, since it is larger than the sum of its proper divisors (1385728218617).

20003030313223 is a wasteful number, since it uses less digits than its factorization.

20003030313223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25261398.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 20003030313223 its reverse (32231303030002), we get a palindrome (52234333343225).

The spelling of 20003030313223 in words is "twenty trillion, three billion, thirty million, three hundred thirteen thousand, two hundred twenty-three".