20002323 has 8 divisors (see below), whose sum is σ = 29094336. Its totient is φ = 12122600.

The previous prime is 20002321. The next prime is 20002331. The reversal of 20002323 is 32320002.

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 20002323 - 2¹ = 20002321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20002299 and 20002308.

It is not an unprimeable number, because it can be changed into a prime (20002321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303033 + ... + 303098.

It is an arithmetic number, because the mean of its divisors is an integer number (3636792).

Almost surely, 2^20002323 is an apocalyptic number.

20002323 is a deficient number, since it is larger than the sum of its proper divisors (9092013).

20002323 is a wasteful number, since it uses less digits than its factorization.

20002323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606145.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 20002323 is about 4472.3956667540. The cubic root of 20002323 is about 271.4522705728.

Adding to 20002323 its reverse (32320002), we get a palindrome (52322325).

It can be divided in two parts, 20002 and 323, that multiplied together give a palindrome (6460646).

The spelling of 20002323 in words is "twenty million, two thousand, three hundred twenty-three".