223401407 has 8 divisors (see below), whose sum is σ = 230912640. Its totient is φ = 215909280.

The previous prime is 223401401. The next prime is 223401439. The reversal of 223401407 is 704104322.

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

It is a cyclic number.

It is not a de Polignac number, because 223401407 - 2¹⁴ = 223385023 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 (223401401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21353 + ... + 30045.

It is an arithmetic number, because the mean of its divisors is an integer number (28864080).

Almost surely, 2^223401407 is an apocalyptic number.

223401407 is a deficient number, since it is larger than the sum of its proper divisors (7511233).

223401407 is an equidigital number, since it uses as much as digits as its factorization.

223401407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9553.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 223401407 is about 14946.6185808028. The cubic root of 223401407 is about 606.7763353174.

Adding to 223401407 its reverse (704104322), we get a palindrome (927505729).

The spelling of 223401407 in words is "two hundred twenty-three million, four hundred one thousand, four hundred seven".