20033336123 has 2 divisors, whose sum is σ = 20033336124. Its totient is φ = 20033336122.

The previous prime is 20033336111. The next prime is 20033336143. The reversal of 20033336123 is 32163333002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20033336123 - 2⁸ = 20033335867 is a prime.

It is a super-2 number, since 2×20033336123² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20033336092 and 20033336101.

It is not a weakly prime, because it can be changed into another prime (20033336143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10016668061 + 10016668062.

It is an arithmetic number, because the mean of its divisors is an integer number (10016668062).

Almost surely, 2^20033336123 is an apocalyptic number.

20033336123 is a deficient number, since it is larger than the sum of its proper divisors (1).

20033336123 is an equidigital number, since it uses as much as digits as its factorization.

20033336123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 20033336123 its reverse (32163333002), we get a palindrome (52196669125).

The spelling of 20033336123 in words is "twenty billion, thirty-three million, three hundred thirty-six thousand, one hundred twenty-three".