20010233023 has 4 divisors (see below), whose sum is σ = 21829345128. Its totient is φ = 18191120920.

The previous prime is 20010233017. The next prime is 20010233077. The reversal of 20010233023 is 32033201002.

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 20010233023 - 2⁹ = 20010232511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20010232988 and 20010233006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010233003) 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, 909556036 + ... + 909556057.

It is an arithmetic number, because the mean of its divisors is an integer number (5457336282).

Almost surely, 2^20010233023 is an apocalyptic number.

20010233023 is a deficient number, since it is larger than the sum of its proper divisors (1819112105).

20010233023 is a wasteful number, since it uses less digits than its factorization.

20010233023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819112104.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20010233023 its reverse (32033201002), we get a palindrome (52043434025).

The spelling of 20010233023 in words is "twenty billion, ten million, two hundred thirty-three thousand, twenty-three".