1423665106688 has 54 divisors (see below), whose sum is σ = 3123597422232. Its totient is φ = 647120488960.

The previous prime is 1423665106687. The next prime is 1423665106727. The reversal of 1423665106688 is 8866015663241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423665106687) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22949156 + ... + 23011107.

It is an arithmetic number, because the mean of its divisors is an integer number (57844396708).

Almost surely, 2^{1423665106688} is an apocalyptic number.

It is an amenable number.

1423665106688 is an abundant number, since it is smaller than the sum of its proper divisors (1699932315544).

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

1423665106688 is an equidigital number, since it uses as much as digits as its factorization.

1423665106688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45960301 (or 45960276 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 56.

The spelling of 1423665106688 in words is "one trillion, four hundred twenty-three billion, six hundred sixty-five million, one hundred six thousand, six hundred eighty-eight".