23420024321 has 8 divisors (see below), whose sum is σ = 25724512320. Its totient is φ = 21222721872.

The previous prime is 23420024317. The next prime is 23420024333. The reversal of 23420024321 is 12342002432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23420024321 - 2² = 23420024317 is a prime.

It is a super-2 number, since 2×23420024321² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23420024021) 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 7 ways as a sum of consecutive naturals, for example, 26795930 + ... + 26796803.

It is an arithmetic number, because the mean of its divisors is an integer number (3215564040).

Almost surely, 2^23420024321 is an apocalyptic number.

It is an amenable number.

23420024321 is a deficient number, since it is larger than the sum of its proper divisors (2304487999).

23420024321 is a wasteful number, since it uses less digits than its factorization.

23420024321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53592775.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 23420024321 its reverse (12342002432), we get a palindrome (35762026753).

The spelling of 23420024321 in words is "twenty-three billion, four hundred twenty million, twenty-four thousand, three hundred twenty-one".