20123133214399 has 4 divisors (see below), whose sum is σ = 20145974456160. Its totient is φ = 20100291972640.

The previous prime is 20123133214397. The next prime is 20123133214411. The reversal of 20123133214399 is 99341233132102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20123133214399 - 2¹ = 20123133214397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123133214397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11420619559 + ... + 11420621320.

It is an arithmetic number, because the mean of its divisors is an integer number (5036493614040).

Almost surely, 2^{20123133214399} is an apocalyptic number.

20123133214399 is a deficient number, since it is larger than the sum of its proper divisors (22841241761).

20123133214399 is an equidigital number, since it uses as much as digits as its factorization.

20123133214399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22841241760.

The product of its (nonzero) digits is 209952, while the sum is 43.

The spelling of 20123133214399 in words is "twenty trillion, one hundred twenty-three billion, one hundred thirty-three million, two hundred fourteen thousand, three hundred ninety-nine".