20001230023 has 8 divisors (see below), whose sum is σ = 21779924400. Its totient is φ = 18295135488.

The previous prime is 20001230009. The next prime is 20001230057. The reversal of 20001230023 is 32003210002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20001230023 - 2²⁵ = 19967675591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20001229985 and 20001230012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001230003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18149386 + ... + 18150487.

It is an arithmetic number, because the mean of its divisors is an integer number (2722490550).

Almost surely, 2^20001230023 is an apocalyptic number.

20001230023 is a deficient number, since it is larger than the sum of its proper divisors (1778694377).

20001230023 is a wasteful number, since it uses less digits than its factorization.

20001230023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36299921.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20001230023 its reverse (32003210002), we get a palindrome (52004440025).

The spelling of 20001230023 in words is "twenty billion, one million, two hundred thirty thousand, twenty-three".