23220500332427 has 2 divisors, whose sum is σ = 23220500332428. Its totient is φ = 23220500332426.

The previous prime is 23220500332399. The next prime is 23220500332429. The reversal of 23220500332427 is 72423300502232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23220500332427 - 2¹⁶ = 23220500266891 is a prime.

Together with 23220500332429, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23220500332429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11610250166213 + 11610250166214.

It is an arithmetic number, because the mean of its divisors is an integer number (11610250166214).

Almost surely, 2^{23220500332427} is an apocalyptic number.

23220500332427 is a deficient number, since it is larger than the sum of its proper divisors (1).

23220500332427 is an equidigital number, since it uses as much as digits as its factorization.

23220500332427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 35.

Adding to 23220500332427 its reverse (72423300502232), we get a palindrome (95643800834659).

The spelling of 23220500332427 in words is "twenty-three trillion, two hundred twenty billion, five hundred million, three hundred thirty-two thousand, four hundred twenty-seven".