402411223 has 8 divisors (see below), whose sum is σ = 413538192. Its totient is φ = 391297536.

The previous prime is 402411161. The next prime is 402411239. The reversal of 402411223 is 322114204.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402411223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 402411223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402411293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114336 + ... + 117802.

It is an arithmetic number, because the mean of its divisors is an integer number (51692274).

Almost surely, 2^402411223 is an apocalyptic number.

402411223 is a deficient number, since it is larger than the sum of its proper divisors (11126969).

402411223 is a wasteful number, since it uses less digits than its factorization.

402411223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6641.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 402411223 is about 20060.1900040852. The cubic root of 402411223 is about 738.2838383776.

Adding to 402411223 its reverse (322114204), we get a palindrome (724525427).

The spelling of 402411223 in words is "four hundred two million, four hundred eleven thousand, two hundred twenty-three".