134243023 has 2 divisors, whose sum is σ = 134243024. Its totient is φ = 134243022.

The previous prime is 134242981. The next prime is 134243027. The reversal of 134243023 is 320342431.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (320342431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134243023 - 2¹⁷ = 134111951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134242985 and 134243003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134243027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67121511 + 67121512.

It is an arithmetic number, because the mean of its divisors is an integer number (67121512).

Almost surely, 2^134243023 is an apocalyptic number.

134243023 is a deficient number, since it is larger than the sum of its proper divisors (1).

134243023 is an equidigital number, since it uses as much as digits as its factorization.

134243023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 134243023 is about 11586.3291425714. The cubic root of 134243023 is about 512.0321622354.

Adding to 134243023 its reverse (320342431), we get a palindrome (454585454).

The spelling of 134243023 in words is "one hundred thirty-four million, two hundred forty-three thousand, twenty-three".