20231244037 has 2 divisors, whose sum is σ = 20231244038. Its totient is φ = 20231244036.

The previous prime is 20231244013. The next prime is 20231244067. The reversal of 20231244037 is 73044213202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19420930881 + 810313156 = 139359^2 + 28466^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20231244037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20231243996 and 20231244014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20231244067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10115622018 + 10115622019.

It is an arithmetic number, because the mean of its divisors is an integer number (10115622019).

Almost surely, 2^20231244037 is an apocalyptic number.

It is an amenable number.

20231244037 is a deficient number, since it is larger than the sum of its proper divisors (1).

20231244037 is an equidigital number, since it uses as much as digits as its factorization.

20231244037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 28.

Adding to 20231244037 its reverse (73044213202), we get a palindrome (93275457239).

The spelling of 20231244037 in words is "twenty billion, two hundred thirty-one million, two hundred forty-four thousand, thirty-seven".