20013233010023 has 4 divisors (see below), whose sum is σ = 21832617829128. Its totient is φ = 18193848190920.

The previous prime is 20013233010011. The next prime is 20013233010119. The reversal of 20013233010023 is 32001033231002.

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

It is a cyclic number.

It is not a de Polignac number, because 20013233010023 - 2¹⁶ = 20013232944487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20013233009977 and 20013233010004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013233010923) 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, 909692409536 + ... + 909692409557.

It is an arithmetic number, because the mean of its divisors is an integer number (5458154457282).

Almost surely, 2^{20013233010023} is an apocalyptic number.

20013233010023 is a deficient number, since it is larger than the sum of its proper divisors (1819384819105).

20013233010023 is a wasteful number, since it uses less digits than its factorization.

20013233010023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819384819104.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20013233010023 its reverse (32001033231002), we get a palindrome (52014266241025).

The spelling of 20013233010023 in words is "twenty trillion, thirteen billion, two hundred thirty-three million, ten thousand, twenty-three".