223470329 has 4 divisors (see below), whose sum is σ = 223883940. Its totient is φ = 223056720.

The previous prime is 223470319. The next prime is 223470341. The reversal of 223470329 is 923074322.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76090729 + 147379600 = 8723^2 + 12140^2 .

It is a cyclic number.

It is not a de Polignac number, because 223470329 - 2⁸ = 223470073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223470295 and 223470304.

It is not an unprimeable number, because it can be changed into a prime (223470319) 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, 205994 + ... + 207075.

It is an arithmetic number, because the mean of its divisors is an integer number (55970985).

Almost surely, 2^223470329 is an apocalyptic number.

It is an amenable number.

223470329 is a deficient number, since it is larger than the sum of its proper divisors (413611).

223470329 is an equidigital number, since it uses as much as digits as its factorization.

223470329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413610.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 223470329 is about 14948.9240081017. The cubic root of 223470329 is about 606.8387281483.

The spelling of 223470329 in words is "two hundred twenty-three million, four hundred seventy thousand, three hundred twenty-nine".