1423630065 has 64 divisors (see below), whose sum is σ = 2833512192. Its totient is φ = 599654400.

The previous prime is 1423630049. The next prime is 1423630069. The reversal of 1423630065 is 5600363241.

It is not a de Polignac number, because 1423630065 - 2⁴ = 1423630049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1423630069) 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 63 ways as a sum of consecutive naturals, for example, 16945 + ... + 55985.

It is an arithmetic number, because the mean of its divisors is an integer number (44273628).

Almost surely, 2^1423630065 is an apocalyptic number.

1423630065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1423630065 is a deficient number, since it is larger than the sum of its proper divisors (1409882127).

1423630065 is a wasteful number, since it uses less digits than its factorization.

1423630065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39090.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 1423630065 is about 37731.0225808949. The cubic root of 1423630065 is about 1124.9478336305.

The spelling of 1423630065 in words is "one billion, four hundred twenty-three million, six hundred thirty thousand, sixty-five".