1623144540632 has 8 divisors (see below), whose sum is σ = 3043396013700. Its totient is φ = 811572270312.

The previous prime is 1623144540583. The next prime is 1623144540649. The reversal of 1623144540632 is 2360454413261.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1623144540632.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101446533782 + ... + 101446533797.

Almost surely, 2^{1623144540632} is an apocalyptic number.

It is an amenable number.

1623144540632 is a deficient number, since it is larger than the sum of its proper divisors (1420251473068).

1623144540632 is a wasteful number, since it uses less digits than its factorization.

1623144540632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202893067585 (or 202893067581 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

Adding to 1623144540632 its reverse (2360454413261), we get a palindrome (3983598953893).

The spelling of 1623144540632 in words is "one trillion, six hundred twenty-three billion, one hundred forty-four million, five hundred forty thousand, six hundred thirty-two".