202020231023 has 8 divisors (see below), whose sum is σ = 219125432400. Its totient is φ = 185138627328.

The previous prime is 202020230959. The next prime is 202020231053. The reversal of 202020231023 is 320132020202.

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 202020231023 - 2⁶ = 202020230959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202020230992 and 202020231010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202020231053) 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, 55897538 + ... + 55901151.

It is an arithmetic number, because the mean of its divisors is an integer number (27390679050).

Almost surely, 2^202020231023 is an apocalyptic number.

202020231023 is a deficient number, since it is larger than the sum of its proper divisors (17105201377).

202020231023 is a wasteful number, since it uses less digits than its factorization.

202020231023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111798841.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 202020231023 its reverse (320132020202), we get a palindrome (522152251225).

The spelling of 202020231023 in words is "two hundred two billion, twenty million, two hundred thirty-one thousand, twenty-three".