1423789970 has 32 divisors (see below), whose sum is σ = 2642746176. Its totient is φ = 551880000.

The previous prime is 1423789963. The next prime is 1423789973. The reversal of 1423789970 is 799873241.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1423789973) 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 in 15 ways as a sum of consecutive naturals, for example, 85205 + ... + 100535.

It is an arithmetic number, because the mean of its divisors is an integer number (82585818).

Almost surely, 2^1423789970 is an apocalyptic number.

1423789970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1423789970 is a deficient number, since it is larger than the sum of its proper divisors (1218956206).

1423789970 is a wasteful number, since it uses less digits than its factorization.

1423789970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15626.

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 1423789970 is about 37733.1415336704. The cubic root of 1423789970 is about 1124.9899508567.

The spelling of 1423789970 in words is "one billion, four hundred twenty-three million, seven hundred eighty-nine thousand, nine hundred seventy".