1423116240 has 320 divisors, whose sum is σ = 5750631936. Its totient is φ = 282525696.

The previous prime is 1423116229. The next prime is 1423116263. The reversal of 1423116240 is 426113241.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1423116240.

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, 369364 + ... + 373196.

Almost surely, 2^1423116240 is an apocalyptic number.

1423116240 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 1423116240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2875315968).

1423116240 is an abundant number, since it is smaller than the sum of its proper divisors (4327515696).

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

1423116240 is a wasteful number, since it uses less digits than its factorization.

1423116240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3886 (or 3880 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1423116240 is about 37724.2129142544. The cubic root of 1423116240 is about 1124.8124763982.

Adding to 1423116240 its reverse (426113241), we get a palindrome (1849229481).

Subtracting from 1423116240 its reverse (426113241), we obtain a cube (997002999 = 999³).

The spelling of 1423116240 in words is "one billion, four hundred twenty-three million, one hundred sixteen thousand, two hundred forty".