20023101211023 has 24 divisors (see below), whose sum is σ = 30501815635200. Its totient is φ = 13122484400088.

The previous prime is 20023101210991. The next prime is 20023101211063. The reversal of 20023101211023 is 32011210132002.

20023101211023 is a `hidden beast` number, since 200 + 2 + 310 + 121 + 10 + 23 = 666.

It is not a de Polignac number, because 20023101211023 - 2⁵ = 20023101210991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20023101210987 and 20023101211005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023101211063) 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, 698287303 + ... + 698315976.

It is an arithmetic number, because the mean of its divisors is an integer number (1270908984800).

Almost surely, 2^{20023101211023} is an apocalyptic number.

20023101211023 is a deficient number, since it is larger than the sum of its proper divisors (10478714424177).

20023101211023 is an equidigital number, since it uses as much as digits as its factorization.

20023101211023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396603353 (or 1396603341 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20023101211023 its reverse (32011210132002), we get a palindrome (52034311343025).

The spelling of 20023101211023 in words is "twenty trillion, twenty-three billion, one hundred one million, two hundred eleven thousand, twenty-three".