202122313023 has 16 divisors (see below), whose sum is σ = 271995356160. Its totient is φ = 133498980576.

The previous prime is 202122313021. The next prime is 202122313039. The reversal of 202122313023 is 320313221202.

It is a happy number.

It is not a de Polignac number, because 202122313023 - 2¹ = 202122313021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202122313021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4268986 + ... + 4316072.

It is an arithmetic number, because the mean of its divisors is an integer number (16999709760).

Almost surely, 2^202122313023 is an apocalyptic number.

202122313023 is a deficient number, since it is larger than the sum of its proper divisors (69873043137).

202122313023 is a wasteful number, since it uses less digits than its factorization.

202122313023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60326.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 202122313023 its reverse (320313221202), we get a palindrome (522435534225).

The spelling of 202122313023 in words is "two hundred two billion, one hundred twenty-two million, three hundred thirteen thousand, twenty-three".