1423886688 has 432 divisors, whose sum is σ = 5066412624. Its totient is φ = 391910400.

The previous prime is 1423886687. The next prime is 1423886701. The reversal of 1423886688 is 8866883241.

1423886688 is a `hidden beast` number, since 1 + 423 + 88 + 66 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423886687) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 14097838 + ... + 14097938.

It is an arithmetic number, because the mean of its divisors is an integer number (11727807).

Almost surely, 2^1423886688 is an apocalyptic number.

1423886688 is a gapful number since it is divisible by the number (18) 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 1423886688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2533206312).

1423886688 is an abundant number, since it is smaller than the sum of its proper divisors (3642525936).

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

1423886688 is a wasteful number, since it uses less digits than its factorization.

1423886688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 150 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 54.

The square root of 1423886688 is about 37734.4231173606. The cubic root of 1423886688 is about 1125.0154237885.

The spelling of 1423886688 in words is "one billion, four hundred twenty-three million, eight hundred eighty-six thousand, six hundred eighty-eight".