20413201323 has 16 divisors (see below), whose sum is σ = 28698468480. Its totient is φ = 12870785664.

The previous prime is 20413201313. The next prime is 20413201373. The reversal of 20413201323 is 32310231402.

It is not a de Polignac number, because 20413201323 - 2⁹ = 20413200811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20413201323.

It is not an unprimeable number, because it can be changed into a prime (20413201313) 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, 268161 + ... + 335762.

It is an arithmetic number, because the mean of its divisors is an integer number (1793654280).

Almost surely, 2^20413201323 is an apocalyptic number.

20413201323 is a deficient number, since it is larger than the sum of its proper divisors (8285267157).

20413201323 is a wasteful number, since it uses less digits than its factorization.

20413201323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604538.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20413201323 its reverse (32310231402), we get a palindrome (52723432725).

The spelling of 20413201323 in words is "twenty billion, four hundred thirteen million, two hundred one thousand, three hundred twenty-three".