1423301420442 has 64 divisors (see below), whose sum is σ = 3244765464576. Its totient is φ = 411995559360.

The previous prime is 1423301420423. The next prime is 1423301420467. The reversal of 1423301420442 is 2440241033241.

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, 496908 + ... + 1758840.

It is an arithmetic number, because the mean of its divisors is an integer number (50699460384).

Almost surely, 2^{1423301420442} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1423301420442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1622382732288).

1423301420442 is an abundant number, since it is smaller than the sum of its proper divisors (1821464044134).

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

1423301420442 is a wasteful number, since it uses less digits than its factorization.

1423301420442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262715.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 1423301420442 its reverse (2440241033241), we get a palindrome (3863542453683).

The spelling of 1423301420442 in words is "one trillion, four hundred twenty-three billion, three hundred one million, four hundred twenty thousand, four hundred forty-two".