20023123320002 has 32 divisors (see below), whose sum is σ = 33227687825280. Its totient is φ = 8973697835520.

The previous prime is 20023123319999. The next prime is 20023123320107. The reversal of 20023123320002 is 20002332132002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18774383 + ... + 19812210.

It is an arithmetic number, because the mean of its divisors is an integer number (1038365244540).

Almost surely, 2^{20023123320002} is an apocalyptic number.

20023123320002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20023123320002 is a deficient number, since it is larger than the sum of its proper divisors (13204564505278).

20023123320002 is a wasteful number, since it uses less digits than its factorization.

20023123320002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38586938.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20023123320002 its reverse (20002332132002), we get a palindrome (40025455452004).

The spelling of 20023123320002 in words is "twenty trillion, twenty-three billion, one hundred twenty-three million, three hundred twenty thousand, two".