1406633544223 has 4 divisors (see below), whose sum is σ = 1406725131328. Its totient is φ = 1406541957120.

The previous prime is 1406633544167. The next prime is 1406633544263. The reversal of 1406633544223 is 3224453366041.

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

It is a cyclic number.

It is not a de Polignac number, because 1406633544223 - 2²¹ = 1406631447071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1406633544223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406633544263) 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 3 ways as a sum of consecutive naturals, for example, 45770511 + ... + 45801232.

It is an arithmetic number, because the mean of its divisors is an integer number (351681282832).

Almost surely, 2^{1406633544223} is an apocalyptic number.

1406633544223 is a deficient number, since it is larger than the sum of its proper divisors (91587105).

1406633544223 is an equidigital number, since it uses as much as digits as its factorization.

1406633544223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91587104.

The product of its (nonzero) digits is 1244160, while the sum is 43.

The spelling of 1406633544223 in words is "one trillion, four hundred six billion, six hundred thirty-three million, five hundred forty-four thousand, two hundred twenty-three".