20223703707187 has 8 divisors (see below), whose sum is σ = 21305515656960. Its totient is φ = 19143632406600.

The previous prime is 20223703707131. The next prime is 20223703707223. The reversal of 20223703707187 is 78170730732202.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20223703707187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20223703707187.

It is not an unprimeable number, because it can be changed into a prime (20223703707587) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 435138439 + ... + 435184912.

It is an arithmetic number, because the mean of its divisors is an integer number (2663189457120).

Almost surely, 2^{20223703707187} is an apocalyptic number.

20223703707187 is a deficient number, since it is larger than the sum of its proper divisors (1081811949773).

20223703707187 is a wasteful number, since it uses less digits than its factorization.

20223703707187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870324593.

The product of its (nonzero) digits is 1382976, while the sum is 49.

The spelling of 20223703707187 in words is "twenty trillion, two hundred twenty-three billion, seven hundred three million, seven hundred seven thousand, one hundred eighty-seven".