1423146494880 has 576 divisors, whose sum is σ = 5713089096960. Its totient is φ = 330002196480.

The previous prime is 1423146494873. The next prime is 1423146494893. The reversal of 1423146494880 is 884946413241.

1423146494880 is a `hidden beast` number, since 1 + 4 + 2 + 3 + 146 + 494 + 8 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11963374 + ... + 12081746.

It is an arithmetic number, because the mean of its divisors is an integer number (9918557460).

Almost surely, 2^{1423146494880} is an apocalyptic number.

1423146494880 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 1423146494880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2856544548480).

1423146494880 is an abundant number, since it is smaller than the sum of its proper divisors (4289942602080).

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

1423146494880 is a wasteful number, since it uses less digits than its factorization.

1423146494880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118442 (or 118417 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 54.

The spelling of 1423146494880 in words is "one trillion, four hundred twenty-three billion, one hundred forty-six million, four hundred ninety-four thousand, eight hundred eighty".