1423408896 has 576 divisors, whose sum is σ = 5421015040. Its totient is φ = 358318080.

The previous prime is 1423408871. The next prime is 1423408897. The reversal of 1423408896 is 6988043241.

It is a happy number.

1423408896 is a `hidden beast` number, since 142 + 340 + 88 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423408897) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19498716 + ... + 19498788.

Almost surely, 2^1423408896 is an apocalyptic number.

1423408896 is a gapful number since it is divisible by the number (16) 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 1423408896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2710507520).

1423408896 is an abundant number, since it is smaller than the sum of its proper divisors (3997606144).

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

1423408896 is a wasteful number, since it uses less digits than its factorization.

1423408896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 1423408896 is about 37728.0916029422. The cubic root of 1423408896 is about 1124.8895749393.

The spelling of 1423408896 in words is "one billion, four hundred twenty-three million, four hundred eight thousand, eight hundred ninety-six".