1423459415448 has 576 divisors, whose sum is σ = 4739437422720. Its totient is φ = 384377011200.

The previous prime is 1423459415369. The next prime is 1423459415471. The reversal of 1423459415448 is 8445149543241.

1423459415448 is a `hidden beast` number, since 1 + 4 + 2 + 3 + 4 + 5 + 94 + 1 + 544 + 8 = 666.

It is a super-2 number, since 2×1423459415448² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1423459415394 and 1423459415403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 814801311 + ... + 814803057.

It is an arithmetic number, because the mean of its divisors is an integer number (8228189970).

Almost surely, 2^{1423459415448} is an apocalyptic number.

1423459415448 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 1423459415448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2369718711360).

1423459415448 is an abundant number, since it is smaller than the sum of its proper divisors (3315978007272).

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

1423459415448 is a wasteful number, since it uses less digits than its factorization.

1423459415448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988 (or 1974 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 54.

The spelling of 1423459415448 in words is "one trillion, four hundred twenty-three billion, four hundred fifty-nine million, four hundred fifteen thousand, four hundred forty-eight".