13123000220237 has 2 divisors, whose sum is σ = 13123000220238. Its totient is φ = 13123000220236.

The previous prime is 13123000220203. The next prime is 13123000220251. The reversal of 13123000220237 is 73202200032131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12637377998281 + 485622221956 = 3554909^2 + 696866^2 .

It is a cyclic number.

It is not a de Polignac number, because 13123000220237 - 2⁶ = 13123000220173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13123000220257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6561500110118 + 6561500110119.

It is an arithmetic number, because the mean of its divisors is an integer number (6561500110119).

Almost surely, 2^{13123000220237} is an apocalyptic number.

It is an amenable number.

13123000220237 is a deficient number, since it is larger than the sum of its proper divisors (1).

13123000220237 is an equidigital number, since it uses as much as digits as its factorization.

13123000220237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

Adding to 13123000220237 its reverse (73202200032131), we get a palindrome (86325200252368).

The spelling of 13123000220237 in words is "thirteen trillion, one hundred twenty-three billion, two hundred twenty thousand, two hundred thirty-seven".