40422420202123 has 2 divisors, whose sum is σ = 40422420202124. Its totient is φ = 40422420202122.

The previous prime is 40422420202069. The next prime is 40422420202181. The reversal of 40422420202123 is 32120202422404.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40422420202123 - 2²⁹ = 40421883331211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40422420202091 and 40422420202100.

It is not a weakly prime, because it can be changed into another prime (40422420202183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20211210101061 + 20211210101062.

It is an arithmetic number, because the mean of its divisors is an integer number (20211210101062).

Almost surely, 2^{40422420202123} is an apocalyptic number.

40422420202123 is a deficient number, since it is larger than the sum of its proper divisors (1).

40422420202123 is an equidigital number, since it uses as much as digits as its factorization.

40422420202123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 40422420202123 its reverse (32120202422404), we get a palindrome (72542622624527).

The spelling of 40422420202123 in words is "forty trillion, four hundred twenty-two billion, four hundred twenty million, two hundred two thousand, one hundred twenty-three".