1000124205623 has 16 divisors (see below), whose sum is σ = 1011608640000. Its totient is φ = 988724623392.

The previous prime is 1000124205593. The next prime is 1000124205667. The reversal of 1000124205623 is 3265024210001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1000124205623 - 2²⁸ = 999855770167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000124205592 and 1000124205601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000124205923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19763888 + ... + 19814426.

It is an arithmetic number, because the mean of its divisors is an integer number (63225540000).

Almost surely, 2^{1000124205623} is an apocalyptic number.

1000124205623 is a deficient number, since it is larger than the sum of its proper divisors (11484434377).

1000124205623 is a wasteful number, since it uses less digits than its factorization.

1000124205623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51374.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1000124205623 its reverse (3265024210001), we get a palindrome (4265148415624).

The spelling of 1000124205623 in words is "one trillion, one hundred twenty-four million, two hundred five thousand, six hundred twenty-three".