202102023 has 8 divisors (see below), whose sum is σ = 271942000. Its totient is φ = 133498368.

The previous prime is 202102003. The next prime is 202102039. The reversal of 202102023 is 320201202.

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

It is not a de Polignac number, because 202102023 - 2¹⁰ = 202100999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202102003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308698 + ... + 309351.

It is an arithmetic number, because the mean of its divisors is an integer number (33992750).

Almost surely, 2^202102023 is an apocalyptic number.

202102023 is a deficient number, since it is larger than the sum of its proper divisors (69839977).

202102023 is a wasteful number, since it uses less digits than its factorization.

202102023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618161.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 202102023 is about 14216.2591070928. The cubic root of 202102023 is about 586.8451957881.

Adding to 202102023 its reverse (320201202), we get a palindrome (522303225).

The spelling of 202102023 in words is "two hundred two million, one hundred two thousand, twenty-three".