1405206223 has 8 divisors (see below), whose sum is σ = 1500554880. Its totient is φ = 1312983840.

The previous prime is 1405206221. The next prime is 1405206241. The reversal of 1405206223 is 3226025041.

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 1405206223 - 2¹ = 1405206221 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 (1405206221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780640 + ... + 782437.

It is an arithmetic number, because the mean of its divisors is an integer number (187569360).

Almost surely, 2^1405206223 is an apocalyptic number.

1405206223 is a deficient number, since it is larger than the sum of its proper divisors (95348657).

1405206223 is a wasteful number, since it uses less digits than its factorization.

1405206223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563137.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1405206223 is about 37486.0803899261. The cubic root of 1405206223 is about 1120.0739276776.

The spelling of 1405206223 in words is "one billion, four hundred five million, two hundred six thousand, two hundred twenty-three".