20123033232331 has 2 divisors, whose sum is σ = 20123033232332. Its totient is φ = 20123033232330.

The previous prime is 20123033232311. The next prime is 20123033232373. The reversal of 20123033232331 is 13323233032102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20123033232331 - 2¹⁹ = 20123032708043 is a prime.

It is a super-2 number, since 2×20123033232331² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20123033232331.

It is not a weakly prime, because it can be changed into another prime (20123033232311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061516616165 + 10061516616166.

It is an arithmetic number, because the mean of its divisors is an integer number (10061516616166).

Almost surely, 2^{20123033232331} is an apocalyptic number.

20123033232331 is a deficient number, since it is larger than the sum of its proper divisors (1).

20123033232331 is an equidigital number, since it uses as much as digits as its factorization.

20123033232331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 20123033232331 its reverse (13323233032102), we get a palindrome (33446266264433).

The spelling of 20123033232331 in words is "twenty trillion, one hundred twenty-three billion, thirty-three million, two hundred thirty-two thousand, three hundred thirty-one".