20332403021123 has 2 divisors, whose sum is σ = 20332403021124. Its totient is φ = 20332403021122.

The previous prime is 20332403021071. The next prime is 20332403021131. The reversal of 20332403021123 is 32112030423302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20332403021123 is a prime.

It is a super-2 number, since 2×20332403021123² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20332403021092 and 20332403021101.

It is not a weakly prime, because it can be changed into another prime (20332403021173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10166201510561 + 10166201510562.

It is an arithmetic number, because the mean of its divisors is an integer number (10166201510562).

Almost surely, 2^{20332403021123} is an apocalyptic number.

20332403021123 is a deficient number, since it is larger than the sum of its proper divisors (1).

20332403021123 is an equidigital number, since it uses as much as digits as its factorization.

20332403021123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 20332403021123 its reverse (32112030423302), we get a palindrome (52444433444425).

The spelling of 20332403021123 in words is "twenty trillion, three hundred thirty-two billion, four hundred three million, twenty-one thousand, one hundred twenty-three".