20231230073 has 2 divisors, whose sum is σ = 20231230074. Its totient is φ = 20231230072.

The previous prime is 20231230057. The next prime is 20231230093. The reversal of 20231230073 is 37003213202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16452423289 + 3778806784 = 128267^2 + 61472^2 .

It is a cyclic number.

It is not a de Polignac number, because 20231230073 - 2⁴ = 20231230057 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (20231230043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10115615036 + 10115615037.

It is an arithmetic number, because the mean of its divisors is an integer number (10115615037).

Almost surely, 2^20231230073 is an apocalyptic number.

It is an amenable number.

20231230073 is a deficient number, since it is larger than the sum of its proper divisors (1).

20231230073 is an equidigital number, since it uses as much as digits as its factorization.

20231230073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 23.

Adding to 20231230073 its reverse (37003213202), we get a palindrome (57234443275).

The spelling of 20231230073 in words is "twenty billion, two hundred thirty-one million, two hundred thirty thousand, seventy-three".