134434023 has 16 divisors (see below), whose sum is σ = 183047040. Its totient is φ = 87729824.

The previous prime is 134434019. The next prime is 134434031. The reversal of 134434023 is 320434431.

It is a cyclic number.

It is not a de Polignac number, because 134434023 - 2² = 134434019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134433984 and 134434002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134434033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104140 + ... + 105422.

It is an arithmetic number, because the mean of its divisors is an integer number (11440440).

Almost surely, 2^134434023 is an apocalyptic number.

134434023 is a deficient number, since it is larger than the sum of its proper divisors (48613017).

134434023 is a wasteful number, since it uses less digits than its factorization.

134434023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 134434023 is about 11594.5686853802. The cubic root of 134434023 is about 512.2748857063.

Adding to 134434023 its reverse (320434431), we get a palindrome (454868454).

The spelling of 134434023 in words is "one hundred thirty-four million, four hundred thirty-four thousand, twenty-three".