1423267200 has 720 divisors, whose sum is σ = 5872940700. Its totient is φ = 338411520.

The previous prime is 1423267187. The next prime is 1423267201. The reversal of 1423267200 is 27623241.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423267201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 74908791 + ... + 74908809.

Almost surely, 2^1423267200 is an apocalyptic number.

1423267200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1423267200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2936470350).

1423267200 is an abundant number, since it is smaller than the sum of its proper divisors (4449673500).

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

1423267200 is a wasteful number, since it uses less digits than its factorization.

1423267200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 1423267200 is about 37726.2136981701. The cubic root of 1423267200 is about 1124.8522472623.

The spelling of 1423267200 in words is "one billion, four hundred twenty-three million, two hundred sixty-seven thousand, two hundred".