23201234412443 has 2 divisors, whose sum is σ = 23201234412444. Its totient is φ = 23201234412442.

The previous prime is 23201234412439. The next prime is 23201234412469. The reversal of 23201234412443 is 34421443210232.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23201234412443 - 2² = 23201234412439 is a prime.

It is a super-2 number, since 2×23201234412443² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23201234412493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11600617206221 + 11600617206222.

It is an arithmetic number, because the mean of its divisors is an integer number (11600617206222).

Almost surely, 2^{23201234412443} is an apocalyptic number.

23201234412443 is a deficient number, since it is larger than the sum of its proper divisors (1).

23201234412443 is an equidigital number, since it uses as much as digits as its factorization.

23201234412443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 23201234412443 its reverse (34421443210232), we get a palindrome (57622677622675).

The spelling of 23201234412443 in words is "twenty-three trillion, two hundred one billion, two hundred thirty-four million, four hundred twelve thousand, four hundred forty-three".