23443212013 has 8 divisors (see below), whose sum is σ = 25258802688. Its totient is φ = 21629373744.

The previous prime is 23443211993. The next prime is 23443212031. The reversal of 23443212013 is 31021234432.

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 23443212013 - 2¹³ = 23443203821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23443212413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410245 + ... + 463882.

It is an arithmetic number, because the mean of its divisors is an integer number (3157350336).

Almost surely, 2^23443212013 is an apocalyptic number.

It is an amenable number.

23443212013 is a deficient number, since it is larger than the sum of its proper divisors (1815590675).

23443212013 is a wasteful number, since it uses less digits than its factorization.

23443212013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876203.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 23443212013 its reverse (31021234432), we get a palindrome (54464446445).

The spelling of 23443212013 in words is "twenty-three billion, four hundred forty-three million, two hundred twelve thousand, thirteen".