20123001131089 has 2 divisors, whose sum is σ = 20123001131090. Its totient is φ = 20123001131088.

The previous prime is 20123001131063. The next prime is 20123001131159. The reversal of 20123001131089 is 98013110032102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17090022144064 + 3032978987025 = 4134008^2 + 1741545^2 .

It is a cyclic number.

It is not a de Polignac number, because 20123001131089 - 2¹⁷ = 20123001000017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20123001131089.

It is not a weakly prime, because it can be changed into another prime (20123001131689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061500565544 + 10061500565545.

It is an arithmetic number, because the mean of its divisors is an integer number (10061500565545).

Almost surely, 2^{20123001131089} is an apocalyptic number.

It is an amenable number.

20123001131089 is a deficient number, since it is larger than the sum of its proper divisors (1).

20123001131089 is an equidigital number, since it uses as much as digits as its factorization.

20123001131089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 20123001131089 in words is "twenty trillion, one hundred twenty-three billion, one million, one hundred thirty-one thousand, eighty-nine".