1423303022040 has 128 divisors (see below), whose sum is σ = 4380623216640. Its totient is φ = 369752334336.

The previous prime is 1423303022039. The next prime is 1423303022051. The reversal of 1423303022040 is 402203033241.

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 1423303022040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1616184 + ... + 2336376.

It is an arithmetic number, because the mean of its divisors is an integer number (34223618880).

Almost surely, 2^{1423303022040} is an apocalyptic number.

1423303022040 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 1423303022040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2190311608320).

1423303022040 is an abundant number, since it is smaller than the sum of its proper divisors (2957320194600).

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

1423303022040 is a wasteful number, since it uses less digits than its factorization.

1423303022040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720633 (or 720629 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 1423303022040 its reverse (402203033241), we get a palindrome (1825506055281).

The spelling of 1423303022040 in words is "one trillion, four hundred twenty-three billion, three hundred three million, twenty-two thousand, forty".