100202023 has 4 divisors (see below), whose sum is σ = 100524528. Its totient is φ = 99879520.

The previous prime is 100202017. The next prime is 100202027. The reversal of 100202023 is 320202001.

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 100202023 - 2⁹ = 100201511 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 (100202027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160786 + ... + 161407.

It is an arithmetic number, because the mean of its divisors is an integer number (25131132).

Almost surely, 2^100202023 is an apocalyptic number.

100202023 is a deficient number, since it is larger than the sum of its proper divisors (322505).

100202023 is an equidigital number, since it uses as much as digits as its factorization.

100202023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322504.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 100202023 is about 10010.0960534852. The cubic root of 100202023 is about 464.4712423436.

Adding to 100202023 its reverse (320202001), we get a palindrome (420404024).

The spelling of 100202023 in words is "one hundred million, two hundred two thousand, twenty-three".