23424312321 has 24 divisors (see below), whose sum is σ = 35750332800. Its totient is φ = 15321554352.

The previous prime is 23424312319. The next prime is 23424312341. The reversal of 23424312321 is 12321342432.

23424312321 is a `hidden beast` number, since 2 + 3 + 4 + 24 + 312 + 321 = 666.

It is not a de Polignac number, because 23424312321 - 2¹ = 23424312319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23424312341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 896521 + ... + 922278.

It is an arithmetic number, because the mean of its divisors is an integer number (1489597200).

Almost surely, 2^23424312321 is an apocalyptic number.

It is an amenable number.

23424312321 is a deficient number, since it is larger than the sum of its proper divisors (12326020479).

23424312321 is an equidigital number, since it uses as much as digits as its factorization.

23424312321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818867 (or 1818855 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

Adding to 23424312321 its reverse (12321342432), we get a palindrome (35745654753).

The spelling of 23424312321 in words is "twenty-three billion, four hundred twenty-four million, three hundred twelve thousand, three hundred twenty-one".