202321231010023 has 4 divisors (see below), whose sum is σ = 203490717894648. Its totient is φ = 201151744125400.

The previous prime is 202321231010021. The next prime is 202321231010033. The reversal of 202321231010023 is 320010132123202.

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 202321231010023 - 2¹ = 202321231010021 is a prime.

It is a super-2 number, since 2×202321231010023² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202321231009976 and 202321231010003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202321231010021) 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, 584743442053 + ... + 584743442398.

It is an arithmetic number, because the mean of its divisors is an integer number (50872679473662).

Almost surely, 2^{202321231010023} is an apocalyptic number.

202321231010023 is a deficient number, since it is larger than the sum of its proper divisors (1169486884625).

202321231010023 is a wasteful number, since it uses less digits than its factorization.

202321231010023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169486884624.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 202321231010023 its reverse (320010132123202), we get a palindrome (522331363133225).

The spelling of 202321231010023 in words is "two hundred two trillion, three hundred twenty-one billion, two hundred thirty-one million, ten thousand, twenty-three".