20231213183 has 2 divisors, whose sum is σ = 20231213184. Its totient is φ = 20231213182.

The previous prime is 20231213173. The next prime is 20231213203. The reversal of 20231213183 is 38131213202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20231213183 - 2¹² = 20231209087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20231213173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10115606591 + 10115606592.

It is an arithmetic number, because the mean of its divisors is an integer number (10115606592).

Almost surely, 2^20231213183 is an apocalyptic number.

20231213183 is a deficient number, since it is larger than the sum of its proper divisors (1).

20231213183 is an equidigital number, since it uses as much as digits as its factorization.

20231213183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 20231213183 its reverse (38131213202), we get a palindrome (58362426385).

The spelling of 20231213183 in words is "twenty billion, two hundred thirty-one million, two hundred thirteen thousand, one hundred eighty-three".