20231223313 has 16 divisors (see below), whose sum is σ = 24358000000. Its totient is φ = 16415073792.

The previous prime is 20231223307. The next prime is 20231223323. The reversal of 20231223313 is 31332213202.

It is a cyclic number.

It is not a de Polignac number, because 20231223313 - 2⁹ = 20231222801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20231223323) 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, 105223 + ... + 227011.

It is an arithmetic number, because the mean of its divisors is an integer number (1522375000).

Almost surely, 2^20231223313 is an apocalyptic number.

It is an amenable number.

20231223313 is a deficient number, since it is larger than the sum of its proper divisors (4126776687).

20231223313 is a wasteful number, since it uses less digits than its factorization.

20231223313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123064.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20231223313 its reverse (31332213202), we get a palindrome (51563436515).

It can be divided in two parts, 202312 and 23313, that added together give a square (225625 = 475²).

The spelling of 20231223313 in words is "twenty billion, two hundred thirty-one million, two hundred twenty-three thousand, three hundred thirteen".