1423241120 has 144 divisors (see below), whose sum is σ = 3982462848. Its totient is φ = 470830080.

The previous prime is 1423241023. The next prime is 1423241137. The reversal of 1423241120 is 211423241.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1423241092 and 1423241101.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 941165 + ... + 942675.

It is an arithmetic number, because the mean of its divisors is an integer number (27655992).

Almost surely, 2^1423241120 is an apocalyptic number.

1423241120 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 1423241120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1991231424).

1423241120 is an abundant number, since it is smaller than the sum of its proper divisors (2559221728).

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

1423241120 is a wasteful number, since it uses less digits than its factorization.

1423241120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591 (or 1554 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1423241120 is about 37725.8680483299. The cubic root of 1423241120 is about 1124.8453766092.

Adding to 1423241120 its reverse (211423241), we get a palindrome (1634664361).

The spelling of 1423241120 in words is "one billion, four hundred twenty-three million, two hundred forty-one thousand, one hundred twenty".