20133423332123 has 4 divisors (see below), whose sum is σ = 20164735033128. Its totient is φ = 20102111631120.

The previous prime is 20133423332069. The next prime is 20133423332177. The reversal of 20133423332123 is 32123332433102.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20133423332069) and next prime (20133423332177).

It is a cyclic number.

It is not a de Polignac number, because 20133423332123 - 2⁶ = 20133423332059 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20133423332123.

It is not an unprimeable number, because it can be changed into a prime (20133323332123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15655849538 + ... + 15655850823.

It is an arithmetic number, because the mean of its divisors is an integer number (5041183758282).

Almost surely, 2^{20133423332123} is an apocalyptic number.

20133423332123 is a deficient number, since it is larger than the sum of its proper divisors (31311701005).

20133423332123 is an equidigital number, since it uses as much as digits as its factorization.

20133423332123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31311701004.

The product of its (nonzero) digits is 46656, while the sum is 32.

Adding to 20133423332123 its reverse (32123332433102), we get a palindrome (52256755765225).

The spelling of 20133423332123 in words is "twenty trillion, one hundred thirty-three billion, four hundred twenty-three million, three hundred thirty-two thousand, one hundred twenty-three".