134320123 has 6 divisors (see below), whose sum is σ = 156249996. Its totient is φ = 115131492.

The previous prime is 134320103. The next prime is 134320127. The reversal of 134320123 is 321023431.

134320123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 134320123 - 2²¹ = 132222971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134320123.

It is not an unprimeable number, because it can be changed into a prime (134320127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1370565 + ... + 1370662.

It is an arithmetic number, because the mean of its divisors is an integer number (26041666).

Almost surely, 2^134320123 is an apocalyptic number.

134320123 is a deficient number, since it is larger than the sum of its proper divisors (21929873).

134320123 is an equidigital number, since it uses as much as digits as its factorization.

134320123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2741241 (or 2741234 counting only the distinct ones).

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

The square root of 134320123 is about 11589.6558620176. The cubic root of 134320123 is about 512.1301688791.

Adding to 134320123 its reverse (321023431), we get a palindrome (455343554).

The spelling of 134320123 in words is "one hundred thirty-four million, three hundred twenty thousand, one hundred twenty-three".