1423999360 has 64 divisors (see below), whose sum is σ = 3890581920. Its totient is φ = 488226816.

The previous prime is 1423999321. The next prime is 1423999361. The reversal of 1423999360 is 639993241.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 1423999360.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423999361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154449 + ... + 163408.

Almost surely, 2^1423999360 is an apocalyptic number.

1423999360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423999360 is an abundant number, since it is smaller than the sum of its proper divisors (2466582560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423999360 is an equidigital number, since it uses as much as digits as its factorization.

1423999360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317883 (or 317871 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 46.

The square root of 1423999360 is about 37735.9160482424. The cubic root of 1423999360 is about 1125.0450971222.

The spelling of 1423999360 in words is "one billion, four hundred twenty-three million, nine hundred ninety-nine thousand, three hundred sixty".