20203011032123 has 2 divisors, whose sum is σ = 20203011032124. Its totient is φ = 20203011032122.

The previous prime is 20203011032081. The next prime is 20203011032213. The reversal of 20203011032123 is 32123011030202.

Together with next prime (20203011032213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20203011032123 - 2⁶ = 20203011032059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20203011032095 and 20203011032104.

It is not a weakly prime, because it can be changed into another prime (20203011038123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101505516061 + 10101505516062.

It is an arithmetic number, because the mean of its divisors is an integer number (10101505516062).

Almost surely, 2^{20203011032123} is an apocalyptic number.

20203011032123 is a deficient number, since it is larger than the sum of its proper divisors (1).

20203011032123 is an equidigital number, since it uses as much as digits as its factorization.

20203011032123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20203011032123 its reverse (32123011030202), we get a palindrome (52326022062325).

The spelling of 20203011032123 in words is "twenty trillion, two hundred three billion, eleven million, thirty-two thousand, one hundred twenty-three".