20112240022423 has 2 divisors, whose sum is σ = 20112240022424. Its totient is φ = 20112240022422.

The previous prime is 20112240022409. The next prime is 20112240022451. The reversal of 20112240022423 is 32422004221102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20112240022423 - 2⁹ = 20112240021911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20112240022123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056120011211 + 10056120011212.

It is an arithmetic number, because the mean of its divisors is an integer number (10056120011212).

Almost surely, 2^{20112240022423} is an apocalyptic number.

20112240022423 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112240022423 is an equidigital number, since it uses as much as digits as its factorization.

20112240022423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 20112240022423 its reverse (32422004221102), we get a palindrome (52534244243525).

The spelling of 20112240022423 in words is "twenty trillion, one hundred twelve billion, two hundred forty million, twenty-two thousand, four hundred twenty-three".