202401223 has 16 divisors (see below), whose sum is σ = 212201856. Its totient is φ = 192890880.

The previous prime is 202401217. The next prime is 202401271. The reversal of 202401223 is 322104202.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202401223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202401197 and 202401206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202401203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480553 + ... + 480973.

It is an arithmetic number, because the mean of its divisors is an integer number (13262616).

Almost surely, 2^202401223 is an apocalyptic number.

202401223 is a deficient number, since it is larger than the sum of its proper divisors (9800633).

202401223 is a wasteful number, since it uses less digits than its factorization.

202401223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 202401223 is about 14226.7783774121. The cubic root of 202401223 is about 587.1346494411.

Adding to 202401223 its reverse (322104202), we get a palindrome (524505425).

The spelling of 202401223 in words is "two hundred two million, four hundred one thousand, two hundred twenty-three".