23142421210321 has 8 divisors (see below), whose sum is σ = 26448520161600. Its totient is φ = 19836331953648.

The previous prime is 23142421210319. The next prime is 23142421210483. The reversal of 23142421210321 is 12301212424132.

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

It is not a de Polignac number, because 23142421210321 - 2¹ = 23142421210319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23142421210321.

It is not an unprimeable number, because it can be changed into a prime (23142421210021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3734955 + ... + 7761103.

It is an arithmetic number, because the mean of its divisors is an integer number (3306065020200).

Almost surely, 2^{23142421210321} is an apocalyptic number.

It is an amenable number.

23142421210321 is a deficient number, since it is larger than the sum of its proper divisors (3306098951279).

23142421210321 is an equidigital number, since it uses as much as digits as its factorization.

23142421210321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4847303.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 23142421210321 its reverse (12301212424132), we get a palindrome (35443633634453).

The spelling of 23142421210321 in words is "twenty-three trillion, one hundred forty-two billion, four hundred twenty-one million, two hundred ten thousand, three hundred twenty-one".