20123003211323 has 8 divisors (see below), whose sum is σ = 21263712806400. Its totient is φ = 19004443317288.

The previous prime is 20123003211317. The next prime is 20123003211329. The reversal of 20123003211323 is 32311230032102.

It is an interprime number because it is at equal distance from previous prime (20123003211317) and next prime (20123003211329).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20123003211323 - 2¹⁶ = 20123003145787 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (20123003211329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5537423393 + ... + 5537427026.

It is an arithmetic number, because the mean of its divisors is an integer number (2657964100800).

Almost surely, 2^{20123003211323} is an apocalyptic number.

20123003211323 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20123003211323 is a deficient number, since it is larger than the sum of its proper divisors (1140709595077).

20123003211323 is a wasteful number, since it uses less digits than its factorization.

20123003211323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11074850521.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20123003211323 its reverse (32311230032102), we get a palindrome (52434233243425).

The spelling of 20123003211323 in words is "twenty trillion, one hundred twenty-three billion, three million, two hundred eleven thousand, three hundred twenty-three".