20340304013323 has 32 divisors (see below), whose sum is σ = 23495955372032. Its totient is φ = 17247486816000.

The previous prime is 20340304013317. The next prime is 20340304013339. The reversal of 20340304013323 is 32331040304302.

It is a happy number.

It is not a de Polignac number, because 20340304013323 - 2¹⁷ = 20340303882251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20340304013291 and 20340304013300.

It is not an unprimeable number, because it can be changed into a prime (20340304013423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4841774623 + ... + 4841778823.

It is an arithmetic number, because the mean of its divisors is an integer number (734248605376).

Almost surely, 2^{20340304013323} is an apocalyptic number.

20340304013323 is a deficient number, since it is larger than the sum of its proper divisors (3155651358709).

20340304013323 is a wasteful number, since it uses less digits than its factorization.

20340304013323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9635.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 20340304013323 its reverse (32331040304302), we get a palindrome (52671344317625).

The spelling of 20340304013323 in words is "twenty trillion, three hundred forty billion, three hundred four million, thirteen thousand, three hundred twenty-three".