20423100003331 has 2 divisors, whose sum is σ = 20423100003332. Its totient is φ = 20423100003330.

The previous prime is 20423100003301. The next prime is 20423100003347. The reversal of 20423100003331 is 13330000132402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20423100003331 - 2¹³ = 20423099995139 is a prime.

It is a super-2 number, since 2×20423100003331² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20423100003301) 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, 10211550001665 + 10211550001666.

It is an arithmetic number, because the mean of its divisors is an integer number (10211550001666).

Almost surely, 2^{20423100003331} is an apocalyptic number.

20423100003331 is a deficient number, since it is larger than the sum of its proper divisors (1).

20423100003331 is an equidigital number, since it uses as much as digits as its factorization.

20423100003331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20423100003331 its reverse (13330000132402), we get a palindrome (33753100135733).

The spelling of 20423100003331 in words is "twenty trillion, four hundred twenty-three billion, one hundred million, three thousand, three hundred thirty-one".