20001234033123 has 32 divisors (see below), whose sum is σ = 32318849811456. Its totient is φ = 10740982468608.

The previous prime is 20001234033043. The next prime is 20001234033199. The reversal of 20001234033123 is 32133043210002.

It is not a de Polignac number, because 20001234033123 - 2²⁸ = 20000965597667 is a prime.

It is a super-2 number, since 2×20001234033123² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20001234033093 and 20001234033102.

It is not an unprimeable number, because it can be changed into a prime (20001234033223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41383711 + ... + 41864232.

It is an arithmetic number, because the mean of its divisors is an integer number (1009964056608).

Almost surely, 2^{20001234033123} is an apocalyptic number.

20001234033123 is a deficient number, since it is larger than the sum of its proper divisors (12317615778333).

20001234033123 is a wasteful number, since it uses less digits than its factorization.

20001234033123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83248643.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 20001234033123 its reverse (32133043210002), we get a palindrome (52134277243125).

The spelling of 20001234033123 in words is "twenty trillion, one billion, two hundred thirty-four million, thirty-three thousand, one hundred twenty-three".