134435023 has 16 divisors (see below), whose sum is σ = 147623616. Its totient is φ = 122031360.

The previous prime is 134435009. The next prime is 134435057. The reversal of 134435023 is 320534431.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134435023 is a prime.

It is a super-3 number, since 3×134435023³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134435423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32965 + ... + 36817.

It is an arithmetic number, because the mean of its divisors is an integer number (9226476).

Almost surely, 2^134435023 is an apocalyptic number.

134435023 is a deficient number, since it is larger than the sum of its proper divisors (13188593).

134435023 is a wasteful number, since it uses less digits than its factorization.

134435023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3954.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 134435023 is about 11594.6118089395. The cubic root of 134435023 is about 512.2761559046.

Adding to 134435023 its reverse (320534431), we get a palindrome (454969454).

The spelling of 134435023 in words is "one hundred thirty-four million, four hundred thirty-five thousand, twenty-three".