134453923 has 4 divisors (see below), whose sum is σ = 134989848. Its totient is φ = 133918000.

The previous prime is 134453911. The next prime is 134453933. The reversal of 134453923 is 329354431.

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 134453923 - 2²¹ = 132356771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134453933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267586 + ... + 268087.

It is an arithmetic number, because the mean of its divisors is an integer number (33747462).

Almost surely, 2^134453923 is an apocalyptic number.

134453923 is a deficient number, since it is larger than the sum of its proper divisors (535925).

134453923 is an equidigital number, since it uses as much as digits as its factorization.

134453923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535924.

The product of its digits is 38880, while the sum is 34.

The square root of 134453923 is about 11595.4268140504. The cubic root of 134453923 is about 512.3001614686.

The spelling of 134453923 in words is "one hundred thirty-four million, four hundred fifty-three thousand, nine hundred twenty-three".