20102333144323 has 8 divisors (see below), whose sum is σ = 20175224982608. Its totient is φ = 20029443610464.

The previous prime is 20102333144291. The next prime is 20102333144393. The reversal of 20102333144323 is 32344133320102.

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 not a de Polignac number, because 20102333144323 - 2⁵ = 20102333144291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20102333144393) 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, 17984065 + ... + 19069117.

It is an arithmetic number, because the mean of its divisors is an integer number (2521903122826).

Almost surely, 2^{20102333144323} is an apocalyptic number.

20102333144323 is a deficient number, since it is larger than the sum of its proper divisors (72891838285).

20102333144323 is a wasteful number, since it uses less digits than its factorization.

20102333144323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152213.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 20102333144323 its reverse (32344133320102), we get a palindrome (52446466464425).

The spelling of 20102333144323 in words is "twenty trillion, one hundred two billion, three hundred thirty-three million, one hundred forty-four thousand, three hundred twenty-three".