23421205413 has 24 divisors (see below), whose sum is σ = 34053679296. Its totient is φ = 15511305600.

The previous prime is 23421205403. The next prime is 23421205429. The reversal of 23421205413 is 31450212432.

23421205413 is a `hidden beast` number, since 2 + 3 + 42 + 1 + 205 + 413 = 666.

It is not a de Polignac number, because 23421205413 - 2²¹ = 23419108261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23421205403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3244378 + ... + 3251588.

It is an arithmetic number, because the mean of its divisors is an integer number (1418903304).

Almost surely, 2^23421205413 is an apocalyptic number.

It is an amenable number.

23421205413 is a deficient number, since it is larger than the sum of its proper divisors (10632473883).

23421205413 is a wasteful number, since it uses less digits than its factorization.

23421205413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9545 (or 9542 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 23421205413 its reverse (31450212432), we get a palindrome (54871417845).

The spelling of 23421205413 in words is "twenty-three billion, four hundred twenty-one million, two hundred five thousand, four hundred thirteen".