23344402322321 has 4 divisors (see below), whose sum is σ = 23344492652772. Its totient is φ = 23344311991872.

The previous prime is 23344402322317. The next prime is 23344402322327. The reversal of 23344402322321 is 12322320444332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11846124912400 + 11498277409921 = 3441820^2 + 3390911^2 .

It is a cyclic number.

It is not a de Polignac number, because 23344402322321 - 2² = 23344402322317 is a prime.

It is a super-2 number, since 2×23344402322321² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23344402322327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44776460 + ... + 45294813.

It is an arithmetic number, because the mean of its divisors is an integer number (5836123163193).

Almost surely, 2^{23344402322321} is an apocalyptic number.

It is an amenable number.

23344402322321 is a deficient number, since it is larger than the sum of its proper divisors (90330451).

23344402322321 is an equidigital number, since it uses as much as digits as its factorization.

23344402322321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90330450.

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 23344402322321 its reverse (12322320444332), we get a palindrome (35666722766653).

The spelling of 23344402322321 in words is "twenty-three trillion, three hundred forty-four billion, four hundred two million, three hundred twenty-two thousand, three hundred twenty-one".