23444312213 has 32 divisors (see below), whose sum is σ = 29171197440. Its totient is φ = 18382141440.

The previous prime is 23444312149. The next prime is 23444312231. The reversal of 23444312213 is 31221344432.

It is a cyclic number.

It is not a de Polignac number, because 23444312213 - 2⁶ = 23444312149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23444312233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1303520 + ... + 1321382.

It is an arithmetic number, because the mean of its divisors is an integer number (911599920).

Almost surely, 2^23444312213 is an apocalyptic number.

It is an amenable number.

23444312213 is a deficient number, since it is larger than the sum of its proper divisors (5726885227).

23444312213 is a wasteful number, since it uses less digits than its factorization.

23444312213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18197.

The product of its digits is 13824, while the sum is 29.

Adding to 23444312213 its reverse (31221344432), we get a palindrome (54665656645).

The spelling of 23444312213 in words is "twenty-three billion, four hundred forty-four million, three hundred twelve thousand, two hundred thirteen".