1423112896512 has 512 divisors, whose sum is σ = 4341038400000. Its totient is φ = 460600639488.

The previous prime is 1423112896493. The next prime is 1423112896567. The reversal of 1423112896512 is 2156982113241.

1423112896512 is a `hidden beast` number, since 1 + 4 + 2 + 3 + 1 + 128 + 9 + 6 + 512 = 666.

It is a tau number, because it is divible by the number of its divisors (512).

It is a super-2 number, since 2×1423112896512² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 7151320989 + ... + 7151321187.

It is an arithmetic number, because the mean of its divisors is an integer number (8478590625).

Almost surely, 2^{1423112896512} is an apocalyptic number.

1423112896512 is a gapful number since it is divisible by the number (12) 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 1423112896512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2170519200000).

1423112896512 is an abundant number, since it is smaller than the sum of its proper divisors (2917925503488).

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

1423112896512 is an equidigital number, since it uses as much as digits as its factorization.

1423112896512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 400 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The spelling of 1423112896512 in words is "one trillion, four hundred twenty-three billion, one hundred twelve million, eight hundred ninety-six thousand, five hundred twelve".