23401219427 has 2 divisors, whose sum is σ = 23401219428. Its totient is φ = 23401219426.

The previous prime is 23401219363. The next prime is 23401219463. The reversal of 23401219427 is 72491210432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23401219427 - 2⁶ = 23401219363 is a prime.

It is not a weakly prime, because it can be changed into another prime (23401219727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11700609713 + 11700609714.

It is an arithmetic number, because the mean of its divisors is an integer number (11700609714).

Almost surely, 2^23401219427 is an apocalyptic number.

23401219427 is a deficient number, since it is larger than the sum of its proper divisors (1).

23401219427 is an equidigital number, since it uses as much as digits as its factorization.

23401219427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 35.

Adding to 23401219427 its reverse (72491210432), we get a palindrome (95892429859).

The spelling of 23401219427 in words is "twenty-three billion, four hundred one million, two hundred nineteen thousand, four hundred twenty-seven".