134203023 has 24 divisors (see below), whose sum is σ = 204562800. Its totient is φ = 84547584.

The previous prime is 134202983. The next prime is 134203051. The reversal of 134203023 is 320302431.

It is not a de Polignac number, because 134203023 - 2¹² = 134198927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134202987 and 134203005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134203073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94543 + ... + 95951.

It is an arithmetic number, because the mean of its divisors is an integer number (8523450).

Almost surely, 2^134203023 is an apocalyptic number.

134203023 is a deficient number, since it is larger than the sum of its proper divisors (70359777).

134203023 is a wasteful number, since it uses less digits than its factorization.

134203023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991 (or 1988 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 134203023 is about 11584.6028417033. The cubic root of 134203023 is about 511.9813009427.

Adding to 134203023 its reverse (320302431), we get a palindrome (454505454).

The spelling of 134203023 in words is "one hundred thirty-four million, two hundred three thousand, twenty-three".