134423023957 has 2 divisors, whose sum is σ = 134423023958. Its totient is φ = 134423023956.

The previous prime is 134423023921. The next prime is 134423024033. The reversal of 134423023957 is 759320324431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100336264081 + 34086759876 = 316759^2 + 184626^2 .

It is a cyclic number.

It is not a de Polignac number, because 134423023957 - 2¹⁹ = 134422499669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134423023457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67211511978 + 67211511979.

It is an arithmetic number, because the mean of its divisors is an integer number (67211511979).

Almost surely, 2^134423023957 is an apocalyptic number.

It is an amenable number.

134423023957 is a deficient number, since it is larger than the sum of its proper divisors (1).

134423023957 is an equidigital number, since it uses as much as digits as its factorization.

134423023957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 43.

The spelling of 134423023957 in words is "one hundred thirty-four billion, four hundred twenty-three million, twenty-three thousand, nine hundred fifty-seven".