20033434453123 has 24 divisors (see below), whose sum is σ = 24935316848928. Its totient is φ = 15759007160832.

The previous prime is 20033434453063. The next prime is 20033434453129. The reversal of 20033434453123 is 32135443433002.

It is not a de Polignac number, because 20033434453123 - 2²⁹ = 20032897582211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20033434453129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48738790 + ... + 49148107.

It is an arithmetic number, because the mean of its divisors is an integer number (1038971535372).

Almost surely, 2^{20033434453123} is an apocalyptic number.

20033434453123 is a deficient number, since it is larger than the sum of its proper divisors (4901882395805).

20033434453123 is a wasteful number, since it uses less digits than its factorization.

20033434453123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97887103 (or 97887090 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 37.

Adding to 20033434453123 its reverse (32135443433002), we get a palindrome (52168877886125).

The spelling of 20033434453123 in words is "twenty trillion, thirty-three billion, four hundred thirty-four million, four hundred fifty-three thousand, one hundred twenty-three".