20231223101 has 2 divisors, whose sum is σ = 20231223102. Its totient is φ = 20231223100.

The previous prime is 20231223097. The next prime is 20231223119. The reversal of 20231223101 is 10132213202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16958811076 + 3272412025 = 130226^2 + 57205^2 .

It is a cyclic number.

It is not a de Polignac number, because 20231223101 - 2² = 20231223097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20231223101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20231223401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10115611550 + 10115611551.

It is an arithmetic number, because the mean of its divisors is an integer number (10115611551).

Almost surely, 2^20231223101 is an apocalyptic number.

It is an amenable number.

20231223101 is a deficient number, since it is larger than the sum of its proper divisors (1).

20231223101 is an equidigital number, since it uses as much as digits as its factorization.

20231223101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20231223101 its reverse (10132213202), we get a palindrome (30363436303).

The spelling of 20231223101 in words is "twenty billion, two hundred thirty-one million, two hundred twenty-three thousand, one hundred one".