23230421447 has 2 divisors, whose sum is σ = 23230421448. Its totient is φ = 23230421446.

The previous prime is 23230421411. The next prime is 23230421453. The reversal of 23230421447 is 74412403232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23230421447 - 2⁸ = 23230421191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23230427447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11615210723 + 11615210724.

It is an arithmetic number, because the mean of its divisors is an integer number (11615210724).

Almost surely, 2^23230421447 is an apocalyptic number.

23230421447 is a deficient number, since it is larger than the sum of its proper divisors (1).

23230421447 is an equidigital number, since it uses as much as digits as its factorization.

23230421447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 32.

Adding to 23230421447 its reverse (74412403232), we get a palindrome (97642824679).

The spelling of 23230421447 in words is "twenty-three billion, two hundred thirty million, four hundred twenty-one thousand, four hundred forty-seven".