1423001305 has 16 divisors (see below), whose sum is σ = 1863912384. Its totient is φ = 1034313280.

The previous prime is 1423001297. The next prime is 1423001311. The reversal of 1423001305 is 5031003241.

It is not a de Polignac number, because 1423001305 - 2³ = 1423001297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103707 + ... + 116623.

It is an arithmetic number, because the mean of its divisors is an integer number (116494524).

Almost surely, 2^1423001305 is an apocalyptic number.

It is an amenable number.

1423001305 is a deficient number, since it is larger than the sum of its proper divisors (440911079).

1423001305 is a wasteful number, since it uses less digits than its factorization.

1423001305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14936.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1423001305 is about 37722.6895250060. The cubic root of 1423001305 is about 1124.7821945423.

Adding to 1423001305 its reverse (5031003241), we get a palindrome (6454004546).

The spelling of 1423001305 in words is "one billion, four hundred twenty-three million, one thousand, three hundred five".