23401344211 has 4 divisors (see below), whose sum is σ = 26744393392. Its totient is φ = 20058295032.

The previous prime is 23401344209. The next prime is 23401344223. The reversal of 23401344211 is 11244310432.

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

It is a cyclic number.

It is not a de Polignac number, because 23401344211 - 2¹ = 23401344209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23401348211) 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, 1671524580 + ... + 1671524593.

It is an arithmetic number, because the mean of its divisors is an integer number (6686098348).

Almost surely, 2^23401344211 is an apocalyptic number.

23401344211 is a deficient number, since it is larger than the sum of its proper divisors (3343049181).

23401344211 is an equidigital number, since it uses as much as digits as its factorization.

23401344211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3343049180.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 23401344211 its reverse (11244310432), we get a palindrome (34645654643).

The spelling of 23401344211 in words is "twenty-three billion, four hundred one million, three hundred forty-four thousand, two hundred eleven".