1423124340 has 192 divisors, whose sum is σ = 4516501248. Its totient is φ = 331776000.

The previous prime is 1423124291. The next prime is 1423124357. The reversal of 1423124340 is 434213241.

It is a self number, because there is not a number n which added to its sum of digits gives 1423124340.

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, 2466132 + ... + 2466708.

It is an arithmetic number, because the mean of its divisors is an integer number (23523444).

Almost surely, 2^1423124340 is an apocalyptic number.

1423124340 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 1423124340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2258250624).

1423124340 is an abundant number, since it is smaller than the sum of its proper divisors (3093376908).

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

1423124340 is a wasteful number, since it uses less digits than its factorization.

1423124340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1423124340 is about 37724.3202722064. The cubic root of 1423124340 is about 1124.8146104389.

Adding to 1423124340 its reverse (434213241), we get a palindrome (1857337581).

The spelling of 1423124340 in words is "one billion, four hundred twenty-three million, one hundred twenty-four thousand, three hundred forty".