1423111525616 has 40 divisors (see below), whose sum is σ = 3008499408000. Its totient is φ = 646748630720.

The previous prime is 1423111525499. The next prime is 1423111525631. The reversal of 1423111525616 is 6165251113241.

It is a self number, because there is not a number n which added to its sum of digits gives 1423111525616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201395 + ... + 1699053.

It is an arithmetic number, because the mean of its divisors is an integer number (75212485200).

Almost surely, 2^{1423111525616} is an apocalyptic number.

1423111525616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1423111525616 is an abundant number, since it is smaller than the sum of its proper divisors (1585387882384).

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

1423111525616 is a wasteful number, since it uses less digits than its factorization.

1423111525616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503077 (or 1503071 counting only the distinct ones).

The product of its digits is 43200, while the sum is 38.

Adding to 1423111525616 its reverse (6165251113241), we get a palindrome (7588362638857).

The spelling of 1423111525616 in words is "one trillion, four hundred twenty-three billion, one hundred eleven million, five hundred twenty-five thousand, six hundred sixteen".