202023323021231 has 8 divisors (see below), whose sum is σ = 203811525364704. Its totient is φ = 200235127438080.

The previous prime is 202023323021209. The next prime is 202023323021269. The reversal of 202023323021231 is 132120323320202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202023323021231 is a prime.

It is a super-2 number, since 2×202023323021231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202023323021231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202023323021281) 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, 72812171 + ... + 75535811.

It is an arithmetic number, because the mean of its divisors is an integer number (25476440670588).

Almost surely, 2^{202023323021231} is an apocalyptic number.

202023323021231 is a deficient number, since it is larger than the sum of its proper divisors (1788202343473).

202023323021231 is a wasteful number, since it uses less digits than its factorization.

202023323021231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3380161.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 202023323021231 its reverse (132120323320202), we get a palindrome (334143646341433).

The spelling of 202023323021231 in words is "two hundred two trillion, twenty-three billion, three hundred twenty-three million, twenty-one thousand, two hundred thirty-one".