20313330153223 has 4 divisors (see below), whose sum is σ = 21508231926960. Its totient is φ = 19118428379488.

The previous prime is 20313330153143. The next prime is 20313330153271. The reversal of 20313330153223 is 32235103331302.

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 20313330153223 - 2⁴¹ = 18114306897671 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 (20313330153323) 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, 597450886843 + ... + 597450886876.

It is an arithmetic number, because the mean of its divisors is an integer number (5377057981740).

Almost surely, 2^{20313330153223} is an apocalyptic number.

20313330153223 is a deficient number, since it is larger than the sum of its proper divisors (1194901773737).

20313330153223 is a wasteful number, since it uses less digits than its factorization.

20313330153223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194901773736.

The product of its (nonzero) digits is 29160, while the sum is 31.

Adding to 20313330153223 its reverse (32235103331302), we get a palindrome (52548433484525).

The spelling of 20313330153223 in words is "twenty trillion, three hundred thirteen billion, three hundred thirty million, one hundred fifty-three thousand, two hundred twenty-three".