20413423323 has 12 divisors (see below), whose sum is σ = 29817361080. Its totient is φ = 13456038816.

The previous prime is 20413423301. The next prime is 20413423333. The reversal of 20413423323 is 32332431402.

20413423323 is a `hidden beast` number, since 204 + 1 + 3 + 423 + 32 + 3 = 666.

It is not a de Polignac number, because 20413423323 - 2¹² = 20413419227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20413423333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12741661 + ... + 12743262.

It is an arithmetic number, because the mean of its divisors is an integer number (2484780090).

Almost surely, 2^20413423323 is an apocalyptic number.

20413423323 is a deficient number, since it is larger than the sum of its proper divisors (9403937757).

20413423323 is a wasteful number, since it uses less digits than its factorization.

20413423323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25485018 (or 25485015 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 20413423323 its reverse (32332431402), we get a palindrome (52745854725).

The spelling of 20413423323 in words is "twenty billion, four hundred thirteen million, four hundred twenty-three thousand, three hundred twenty-three".