134020123 has 2 divisors, whose sum is σ = 134020124. Its totient is φ = 134020122.

The previous prime is 134020087. The next prime is 134020151. The reversal of 134020123 is 321020431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134020123 - 2²¹ = 131922971 is a prime.

It is a super-2 number, since 2×134020123² = 35922786737870258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 134020097 and 134020106.

It is not a weakly prime, because it can be changed into another prime (134020153) 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, 67010061 + 67010062.

It is an arithmetic number, because the mean of its divisors is an integer number (67010062).

Almost surely, 2^134020123 is an apocalyptic number.

134020123 is a deficient number, since it is larger than the sum of its proper divisors (1).

134020123 is an equidigital number, since it uses as much as digits as its factorization.

134020123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 134020123 is about 11576.7060513775. The cubic root of 134020123 is about 511.7486088365.

Adding to 134020123 its reverse (321020431), we get a palindrome (455040554).

The spelling of 134020123 in words is "one hundred thirty-four million, twenty thousand, one hundred twenty-three".