202423424101 has 4 divisors (see below), whose sum is σ = 202537338892. Its totient is φ = 202309509312.

The previous prime is 202423424089. The next prime is 202423424141. The reversal of 202423424101 is 101424324202.

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

It can be written as a sum of positive squares in 2 ways, for example, as 166843656225 + 35579767876 = 408465^2 + 188626^2 .

It is a cyclic number.

It is not a de Polignac number, because 202423424101 - 2¹⁵ = 202423391333 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 (202423424141) 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, 56954730 + ... + 56958283.

It is an arithmetic number, because the mean of its divisors is an integer number (50634334723).

Almost surely, 2^202423424101 is an apocalyptic number.

It is an amenable number.

202423424101 is a deficient number, since it is larger than the sum of its proper divisors (113914791).

202423424101 is a wasteful number, since it uses less digits than its factorization.

202423424101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113914790.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 202423424101 its reverse (101424324202), we get a palindrome (303847748303).

The spelling of 202423424101 in words is "two hundred two billion, four hundred twenty-three million, four hundred twenty-four thousand, one hundred one".