223400401 has 8 divisors (see below), whose sum is σ = 255504384. Its totient is φ = 191343840.

The previous prime is 223400389. The next prime is 223400407. The reversal of 223400401 is 104004322.

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 223400401 - 2⁷ = 223400273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223400407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1105 + ... + 21166.

It is an arithmetic number, because the mean of its divisors is an integer number (31938048).

Almost surely, 2^223400401 is an apocalyptic number.

It is an amenable number.

223400401 is a deficient number, since it is larger than the sum of its proper divisors (32103983).

223400401 is a wasteful number, since it uses less digits than its factorization.

223400401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23711.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 223400401 is about 14946.5849276683. The cubic root of 223400401 is about 606.7754245235.

Adding to 223400401 its reverse (104004322), we get a palindrome (327404723).

The spelling of 223400401 in words is "two hundred twenty-three million, four hundred thousand, four hundred one".