23443311413 has 4 divisors (see below), whose sum is σ = 23445283680. Its totient is φ = 23441339148.

The previous prime is 23443311401. The next prime is 23443311433. The reversal of 23443311413 is 31411334432.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23443311413 - 2⁶ = 23443311349 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 (23443311433) 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, 968195 + ... + 992112.

It is an arithmetic number, because the mean of its divisors is an integer number (5861320920).

Almost surely, 2^23443311413 is an apocalyptic number.

It is an amenable number.

23443311413 is a deficient number, since it is larger than the sum of its proper divisors (1972267).

23443311413 is a wasteful number, since it uses less digits than its factorization.

23443311413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972266.

The product of its digits is 10368, while the sum is 29.

Adding to 23443311413 its reverse (31411334432), we get a palindrome (54854645845).

The spelling of 23443311413 in words is "twenty-three billion, four hundred forty-three million, three hundred eleven thousand, four hundred thirteen".