220240424423 has 2 divisors, whose sum is σ = 220240424424. Its totient is φ = 220240424422.

The previous prime is 220240424363. The next prime is 220240424533. The reversal of 220240424423 is 324424042022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220240424423 - 2⁶ = 220240424359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220240424023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110120212211 + 110120212212.

It is an arithmetic number, because the mean of its divisors is an integer number (110120212212).

Almost surely, 2^220240424423 is an apocalyptic number.

220240424423 is a deficient number, since it is larger than the sum of its proper divisors (1).

220240424423 is an equidigital number, since it uses as much as digits as its factorization.

220240424423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 220240424423 its reverse (324424042022), we get a palindrome (544664466445).

The spelling of 220240424423 in words is "two hundred twenty billion, two hundred forty million, four hundred twenty-four thousand, four hundred twenty-three".