5401223 has 16 divisors (see below), whose sum is σ = 6084864. Its totient is φ = 4769280.

The previous prime is 5401213. The next prime is 5401237. The reversal of 5401223 is 3221045.

It is a cyclic number.

It is not a de Polignac number, because 5401223 - 2¹² = 5397127 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5401213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19361 + ... + 19637.

It is an arithmetic number, because the mean of its divisors is an integer number (380304).

Almost surely, 2^5401223 is an apocalyptic number.

5401223 is a deficient number, since it is larger than the sum of its proper divisors (683641).

5401223 is a wasteful number, since it uses less digits than its factorization.

5401223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 5401223 is about 2324.0531405284. The cubic root of 5401223 is about 175.4543080104.

Adding to 5401223 its reverse (3221045), we get a palindrome (8622268).

The spelling of 5401223 in words is "five million, four hundred one thousand, two hundred twenty-three".