20003210312323 has 16 divisors (see below), whose sum is σ = 23006721475584. Its totient is φ = 17036257096800.

The previous prime is 20003210312303. The next prime is 20003210312353. The reversal of 20003210312323 is 32321301230002.

It is a cyclic number.

It is not a de Polignac number, because 20003210312323 - 2²⁵ = 20003176757891 is a prime.

It is a super-2 number, since 2×20003210312323² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20003210312294 and 20003210312303.

It is not an unprimeable number, because it can be changed into a prime (20003210312303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371740 + ... + 6335977.

It is an arithmetic number, because the mean of its divisors is an integer number (1437920092224).

Almost surely, 2^{20003210312323} is an apocalyptic number.

20003210312323 is a deficient number, since it is larger than the sum of its proper divisors (3003511163261).

20003210312323 is a wasteful number, since it uses less digits than its factorization.

20003210312323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6710442.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20003210312323 its reverse (32321301230002), we get a palindrome (52324511542325).

The spelling of 20003210312323 in words is "twenty trillion, three billion, two hundred ten million, three hundred twelve thousand, three hundred twenty-three".