1423708330128 has 320 divisors, whose sum is σ = 4295751720960. Its totient is φ = 397944907776.

The previous prime is 1423708330067. The next prime is 1423708330189. The reversal of 1423708330128 is 8210338073241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1423708330067) and next prime (1423708330189).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 1423708330128.

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, 1669059750 + ... + 1669060602.

It is an arithmetic number, because the mean of its divisors is an integer number (13424224128).

Almost surely, 2^{1423708330128} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1423708330128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2147875860480).

1423708330128 is an abundant number, since it is smaller than the sum of its proper divisors (2872043390832).

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

1423708330128 is a wasteful number, since it uses less digits than its factorization.

1423708330128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454 (or 1448 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 1423708330128 in words is "one trillion, four hundred twenty-three billion, seven hundred eight million, three hundred thirty thousand, one hundred twenty-eight".