134123203 has 4 divisors (see below), whose sum is σ = 135310248. Its totient is φ = 132936160.

The previous prime is 134123179. The next prime is 134123207. The reversal of 134123203 is 302321431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302321431 = 2657 ⋅113783.

It is a cyclic number.

It is not a de Polignac number, because 134123203 - 2²⁵ = 100568771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134123207) 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, 593353 + ... + 593578.

It is an arithmetic number, because the mean of its divisors is an integer number (33827562).

Almost surely, 2^134123203 is an apocalyptic number.

134123203 is a deficient number, since it is larger than the sum of its proper divisors (1187045).

134123203 is a wasteful number, since it uses less digits than its factorization.

134123203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187044.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 134123203 is about 11581.1572392400. The cubic root of 134123203 is about 511.8797770196.

Adding to 134123203 its reverse (302321431), we get a palindrome (436444634).

The spelling of 134123203 in words is "one hundred thirty-four million, one hundred twenty-three thousand, two hundred three".