1406423003 has 2 divisors, whose sum is σ = 1406423004. Its totient is φ = 1406423002.

The previous prime is 1406422987. The next prime is 1406423009. The reversal of 1406423003 is 3003246041.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1406423003 - 2⁴ = 1406422987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1406423003.

It is not a weakly prime, because it can be changed into another prime (1406423009) 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 as a sum of consecutive naturals, namely, 703211501 + 703211502.

It is an arithmetic number, because the mean of its divisors is an integer number (703211502).

Almost surely, 2^1406423003 is an apocalyptic number.

1406423003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406423003 is an equidigital number, since it uses as much as digits as its factorization.

1406423003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1406423003 is about 37502.3066357258. The cubic root of 1406423003 is about 1120.3971282496.

Adding to 1406423003 its reverse (3003246041), we get a palindrome (4409669044).

The spelling of 1406423003 in words is "one billion, four hundred six million, four hundred twenty-three thousand, three".