202323023023 has 4 divisors (see below), whose sum is σ = 220716025128. Its totient is φ = 183930020920.

The previous prime is 202323022991. The next prime is 202323023041. The reversal of 202323023023 is 320320323202.

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 202323023023 - 2⁵ = 202323022991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202323022985 and 202323023003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202323023723) 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, 9196501036 + ... + 9196501057.

It is an arithmetic number, because the mean of its divisors is an integer number (55179006282).

Almost surely, 2^202323023023 is an apocalyptic number.

202323023023 is a deficient number, since it is larger than the sum of its proper divisors (18393002105).

202323023023 is a wasteful number, since it uses less digits than its factorization.

202323023023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18393002104.

The product of its (nonzero) digits is 2592, while the sum is 22.

Adding to 202323023023 its reverse (320320323202), we get a palindrome (522643346225).

The spelling of 202323023023 in words is "two hundred two billion, three hundred twenty-three million, twenty-three thousand, twenty-three".