20010312323 has 4 divisors (see below), whose sum is σ = 20193893280. Its totient is φ = 19826731368.

The previous prime is 20010312239. The next prime is 20010312341. The reversal of 20010312323 is 32321301002.

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 20010312323 - 2⁸ = 20010312067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20010312353) 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, 91790315 + ... + 91790532.

It is an arithmetic number, because the mean of its divisors is an integer number (5048473320).

Almost surely, 2^20010312323 is an apocalyptic number.

20010312323 is a deficient number, since it is larger than the sum of its proper divisors (183580957).

20010312323 is a wasteful number, since it uses less digits than its factorization.

20010312323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183580956.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20010312323 its reverse (32321301002), we get a palindrome (52331613325).

The spelling of 20010312323 in words is "twenty billion, ten million, three hundred twelve thousand, three hundred twenty-three".