1406545223 has 2 divisors, whose sum is σ = 1406545224. Its totient is φ = 1406545222.

The previous prime is 1406545183. The next prime is 1406545229. The reversal of 1406545223 is 3225456041.

It is a strong prime.

It is an emirp because it is prime and its reverse (3225456041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1406545223 - 2⁶ = 1406545159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1406545223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1406545229) 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 as a sum of consecutive naturals, namely, 703272611 + 703272612.

It is an arithmetic number, because the mean of its divisors is an integer number (703272612).

Almost surely, 2^1406545223 is an apocalyptic number.

1406545223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406545223 is an equidigital number, since it uses as much as digits as its factorization.

1406545223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 1406545223 is about 37503.9361000949. The cubic root of 1406545223 is about 1120.4295819686.

The spelling of 1406545223 in words is "one billion, four hundred six million, five hundred forty-five thousand, two hundred twenty-three".