223412407 has 4 divisors (see below), whose sum is σ = 224117496. Its totient is φ = 222707320.

The previous prime is 223412389. The next prime is 223412417. The reversal of 223412407 is 704214322.

It is a happy number.

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 223412407 - 2¹¹ = 223410359 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 (223412417) 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, 352069 + ... + 352702.

It is an arithmetic number, because the mean of its divisors is an integer number (56029374).

Almost surely, 2^223412407 is an apocalyptic number.

223412407 is a deficient number, since it is larger than the sum of its proper divisors (705089).

223412407 is an equidigital number, since it uses as much as digits as its factorization.

223412407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705088.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 223412407 is about 14946.9865524794. The cubic root of 223412407 is about 606.7862941179.

Adding to 223412407 its reverse (704214322), we get a palindrome (927626729).

It can be divided in two parts, 2234 and 12407, that added together give a palindrome (14641).

The spelling of 223412407 in words is "two hundred twenty-three million, four hundred twelve thousand, four hundred seven".