23200340443 has 12 divisors (see below), whose sum is σ = 27145650288. Its totient is φ = 19423530000.

The previous prime is 23200340407. The next prime is 23200340447. The reversal of 23200340443 is 34404300232.

It is not a de Polignac number, because 23200340443 - 2²⁵ = 23166786011 is a prime.

It is a super-2 number, since 2×23200340443² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23200340447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 883308 + ... + 909193.

It is an arithmetic number, because the mean of its divisors is an integer number (2262137524).

Almost surely, 2^23200340443 is an apocalyptic number.

23200340443 is a deficient number, since it is larger than the sum of its proper divisors (3945309845).

23200340443 is an equidigital number, since it uses as much as digits as its factorization.

23200340443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792594 (or 1792551 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 23200340443 its reverse (34404300232), we get a palindrome (57604640675).

The spelling of 23200340443 in words is "twenty-three billion, two hundred million, three hundred forty thousand, four hundred forty-three".