1423820160 has 512 divisors, whose sum is σ = 5875200000. Its totient is φ = 319168512.

The previous prime is 1423820113. The next prime is 1423820197. The reversal of 1423820160 is 610283241.

1423820160 is a `hidden beast` number, since 1 + 423 + 82 + 0 + 160 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9555766 + ... + 9555914.

It is an arithmetic number, because the mean of its divisors is an integer number (11475000).

Almost surely, 2^1423820160 is an apocalyptic number.

1423820160 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 1423820160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2937600000).

1423820160 is an abundant number, since it is smaller than the sum of its proper divisors (4451379840).

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

1423820160 is a wasteful number, since it uses less digits than its factorization.

1423820160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1423820160 is about 37733.5415777528. The cubic root of 1423820160 is about 1124.9979022183.

The spelling of 1423820160 in words is "one billion, four hundred twenty-three million, eight hundred twenty thousand, one hundred sixty".