23336642443 has 4 divisors (see below), whose sum is σ = 23337365688. Its totient is φ = 23335919200.

The previous prime is 23336642401. The next prime is 23336642447. The reversal of 23336642443 is 34424663332.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23336642443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23336642396 and 23336642405.

It is not an unprimeable number, because it can be changed into a prime (23336642447) 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, 310846 + ... + 378547.

It is an arithmetic number, because the mean of its divisors is an integer number (5834341422).

Almost surely, 2^23336642443 is an apocalyptic number.

23336642443 is a deficient number, since it is larger than the sum of its proper divisors (723245).

23336642443 is an equidigital number, since it uses as much as digits as its factorization.

23336642443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723244.

The product of its digits is 746496, while the sum is 40.

The spelling of 23336642443 in words is "twenty-three billion, three hundred thirty-six million, six hundred forty-two thousand, four hundred forty-three".