134420413202423 has 2 divisors, whose sum is σ = 134420413202424. Its totient is φ = 134420413202422.

The previous prime is 134420413202371. The next prime is 134420413202519. The reversal of 134420413202423 is 324202314024431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134420413202423 - 2⁶ = 134420413202359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134420413202123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67210206601211 + 67210206601212.

It is an arithmetic number, because the mean of its divisors is an integer number (67210206601212).

Almost surely, 2^{134420413202423} is an apocalyptic number.

134420413202423 is a deficient number, since it is larger than the sum of its proper divisors (1).

134420413202423 is an equidigital number, since it uses as much as digits as its factorization.

134420413202423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 134420413202423 its reverse (324202314024431), we get a palindrome (458622727226854).

The spelling of 134420413202423 in words is "one hundred thirty-four trillion, four hundred twenty billion, four hundred thirteen million, two hundred two thousand, four hundred twenty-three".