134022423 has 4 divisors (see below), whose sum is σ = 178696568. Its totient is φ = 89348280.

The previous prime is 134022397. The next prime is 134022431. The reversal of 134022423 is 324220431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324220431 = 3 ⋅108073477.

It is not a de Polignac number, because 134022423 - 2⁸ = 134022167 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 134022423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134022463) 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, 22337068 + ... + 22337073.

It is an arithmetic number, because the mean of its divisors is an integer number (44674142).

Almost surely, 2^134022423 is an apocalyptic number.

134022423 is a deficient number, since it is larger than the sum of its proper divisors (44674145).

134022423 is an equidigital number, since it uses as much as digits as its factorization.

134022423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44674144.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 134022423 is about 11576.8053883617. The cubic root of 134022423 is about 511.7515362950.

Adding to 134022423 its reverse (324220431), we get a palindrome (458242854).

The spelling of 134022423 in words is "one hundred thirty-four million, twenty-two thousand, four hundred twenty-three".