134220023 has 8 divisors (see below), whose sum is σ = 153852192. Its totient is φ = 114702336.

The previous prime is 134219999. The next prime is 134220059. The reversal of 134220023 is 320022431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134220023 - 2⁶ = 134219959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134219983 and 134220010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134220523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26090 + ... + 30807.

It is an arithmetic number, because the mean of its divisors is an integer number (19231524).

Almost surely, 2^134220023 is an apocalyptic number.

134220023 is a deficient number, since it is larger than the sum of its proper divisors (19632169).

134220023 is an equidigital number, since it uses as much as digits as its factorization.

134220023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57241.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 134220023 is about 11585.3365510027. The cubic root of 134220023 is about 512.0029182268.

Adding to 134220023 its reverse (320022431), we get a palindrome (454242454).

The spelling of 134220023 in words is "one hundred thirty-four million, two hundred twenty thousand, twenty-three".