403401223 has 4 divisors (see below), whose sum is σ = 417311640. Its totient is φ = 389490808.

The previous prime is 403401221. The next prime is 403401239. The reversal of 403401223 is 322104304.

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 403401223 - 2¹ = 403401221 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 403401223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403401221) 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, 6955165 + ... + 6955222.

It is an arithmetic number, because the mean of its divisors is an integer number (104327910).

Almost surely, 2^403401223 is an apocalyptic number.

403401223 is a deficient number, since it is larger than the sum of its proper divisors (13910417).

403401223 is a wasteful number, since it uses less digits than its factorization.

403401223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13910416.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 403401223 is about 20084.8505844579. The cubic root of 403401223 is about 738.8887771366. Note that the first 3 decimals are identical.

Adding to 403401223 its reverse (322104304), we get a palindrome (725505527).

The spelling of 403401223 in words is "four hundred three million, four hundred one thousand, two hundred twenty-three".