134537234023 has 4 divisors (see below), whose sum is σ = 134936454640. Its totient is φ = 134138013408.

The previous prime is 134537234003. The next prime is 134537234089. The reversal of 134537234023 is 320432735431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134537234023 - 2³³ = 125947299431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134537234003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199609803 + ... + 199610476.

It is an arithmetic number, because the mean of its divisors is an integer number (33734113660).

Almost surely, 2^134537234023 is an apocalyptic number.

134537234023 is a deficient number, since it is larger than the sum of its proper divisors (399220617).

134537234023 is an equidigital number, since it uses as much as digits as its factorization.

134537234023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399220616.

The product of its (nonzero) digits is 181440, while the sum is 37.

Adding to 134537234023 its reverse (320432735431), we get a palindrome (454969969454).

The spelling of 134537234023 in words is "one hundred thirty-four billion, five hundred thirty-seven million, two hundred thirty-four thousand, twenty-three".