1423877616 has 400 divisors, whose sum is σ = 5001013248. Its totient is φ = 382579200.

The previous prime is 1423877599. The next prime is 1423877659. The reversal of 1423877616 is 6167783241.

1423877616 is a `hidden beast` number, since 1 + 4 + 23 + 8 + 7 + 7 + 616 = 666.

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

It is a congruent number.

It is an unprimeable number.

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 79 ways as a sum of consecutive naturals, for example, 17155111 + ... + 17155193.

Almost surely, 2^1423877616 is an apocalyptic number.

1423877616 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 1423877616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2500506624).

1423877616 is an abundant number, since it is smaller than the sum of its proper divisors (3577135632).

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

1423877616 is a wasteful number, since it uses less digits than its factorization.

1423877616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 187 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 1423877616 is about 37734.3029086268. The cubic root of 1423877616 is about 1125.0130345156.

The spelling of 1423877616 in words is "one billion, four hundred twenty-three million, eight hundred seventy-seven thousand, six hundred sixteen".