202001110023 has 4 divisors (see below), whose sum is σ = 269334813368. Its totient is φ = 134667406680.

The previous prime is 202001110013. The next prime is 202001110043. The reversal of 202001110023 is 320011100202.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 202001110023 - 2¹² = 202001105927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202001109990 and 202001110008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202001110013) 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, 33666851668 + ... + 33666851673.

It is an arithmetic number, because the mean of its divisors is an integer number (67333703342).

Almost surely, 2^202001110023 is an apocalyptic number.

202001110023 is a deficient number, since it is larger than the sum of its proper divisors (67333703345).

202001110023 is an equidigital number, since it uses as much as digits as its factorization.

202001110023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67333703344.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 202001110023 its reverse (320011100202), we get a palindrome (522012210225).

The spelling of 202001110023 in words is "two hundred two billion, one million, one hundred ten thousand, twenty-three".