202401424223 has 4 divisors (see below), whose sum is σ = 207338044368. Its totient is φ = 197464804080.

The previous prime is 202401424139. The next prime is 202401424243. The reversal of 202401424223 is 322424104202.

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 202401424223 - 2¹² = 202401420127 is a prime.

It is a super-2 number, since 2×202401424223² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202401424192 and 202401424201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202401424243) 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, 2468310011 + ... + 2468310092.

It is an arithmetic number, because the mean of its divisors is an integer number (51834511092).

Almost surely, 2^202401424223 is an apocalyptic number.

202401424223 is a deficient number, since it is larger than the sum of its proper divisors (4936620145).

202401424223 is an equidigital number, since it uses as much as digits as its factorization.

202401424223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4936620144.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 202401424223 its reverse (322424104202), we get a palindrome (524825528425).

The spelling of 202401424223 in words is "two hundred two billion, four hundred one million, four hundred twenty-four thousand, two hundred twenty-three".