22400012440123 has 2 divisors, whose sum is σ = 22400012440124. Its totient is φ = 22400012440122.

The previous prime is 22400012440111. The next prime is 22400012440133. The reversal of 22400012440123 is 32104421000422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22400012440123 - 2³³ = 22391422505531 is a prime.

It is not a weakly prime, because it can be changed into another prime (22400012440133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11200006220061 + 11200006220062.

It is an arithmetic number, because the mean of its divisors is an integer number (11200006220062).

Almost surely, 2^{22400012440123} is an apocalyptic number.

22400012440123 is a deficient number, since it is larger than the sum of its proper divisors (1).

22400012440123 is an equidigital number, since it uses as much as digits as its factorization.

22400012440123 is an odious number, because the sum of its binary digits is odd.

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

Adding to 22400012440123 its reverse (32104421000422), we get a palindrome (54504433440545).

The spelling of 22400012440123 in words is "twenty-two trillion, four hundred billion, twelve million, four hundred forty thousand, one hundred twenty-three".