1423455928488 has 128 divisors (see below), whose sum is σ = 4317743232000. Its totient is φ = 430926240960.

The previous prime is 1423455928421. The next prime is 1423455928507. The reversal of 1423455928488 is 8848295543241.

1423455928488 is a `hidden beast` number, since 1 + 4 + 2 + 34 + 5 + 592 + 8 + 4 + 8 + 8 = 666.

It is a super-2 number, since 2×1423455928488² (a number of 25 digits) contains 22 as substring.

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, 2127181 + ... + 2715107.

It is an arithmetic number, because the mean of its divisors is an integer number (33732369000).

Almost surely, 2^{1423455928488} is an apocalyptic number.

1423455928488 is a gapful number since it is divisible by the number (18) 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 1423455928488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2158871616000).

1423455928488 is an abundant number, since it is smaller than the sum of its proper divisors (2894287303512).

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

1423455928488 is a wasteful number, since it uses less digits than its factorization.

1423455928488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588972 (or 588962 counting only the distinct ones).

The product of its digits is 88473600, while the sum is 63.

The spelling of 1423455928488 in words is "one trillion, four hundred twenty-three billion, four hundred fifty-five million, nine hundred twenty-eight thousand, four hundred eighty-eight".