20231230231 has 2 divisors, whose sum is σ = 20231230232. Its totient is φ = 20231230230.

The previous prime is 20231230219. The next prime is 20231230277. The reversal of 20231230231 is 13203213202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20231230231 - 2²¹ = 20229133079 is a prime.

It is a super-2 number, since 2×20231230231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20231230199 and 20231230208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20231230931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10115615115 + 10115615116.

It is an arithmetic number, because the mean of its divisors is an integer number (10115615116).

Almost surely, 2^20231230231 is an apocalyptic number.

20231230231 is a deficient number, since it is larger than the sum of its proper divisors (1).

20231230231 is an equidigital number, since it uses as much as digits as its factorization.

20231230231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20231230231 its reverse (13203213202), we get a palindrome (33434443433).

The spelling of 20231230231 in words is "twenty billion, two hundred thirty-one million, two hundred thirty thousand, two hundred thirty-one".