134423133023 has 4 divisors (see below), whose sum is σ = 142330376160. Its totient is φ = 126515889888.

The previous prime is 134423132971. The next prime is 134423133029. The reversal of 134423133023 is 320331324431.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134423133023 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 (134423133029) 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, 3953621543 + ... + 3953621576.

It is an arithmetic number, because the mean of its divisors is an integer number (35582594040).

Almost surely, 2^134423133023 is an apocalyptic number.

134423133023 is a deficient number, since it is larger than the sum of its proper divisors (7907243137).

134423133023 is an equidigital number, since it uses as much as digits as its factorization.

134423133023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7907243136.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 134423133023 its reverse (320331324431), we get a palindrome (454754457454).

The spelling of 134423133023 in words is "one hundred thirty-four billion, four hundred twenty-three million, one hundred thirty-three thousand, twenty-three".