134172023 has 6 divisors (see below), whose sum is σ = 135498024. Its totient is φ = 132858876.

The previous prime is 134172013. The next prime is 134172047. The reversal of 134172023 is 320271431.

It is not a de Polignac number, because 134172023 - 2⁸ = 134171767 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134172023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134172013) 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, 4286 + ... + 16932.

It is an arithmetic number, because the mean of its divisors is an integer number (22583004).

Almost surely, 2^134172023 is an apocalyptic number.

134172023 is a deficient number, since it is larger than the sum of its proper divisors (1326001).

134172023 is an equidigital number, since it uses as much as digits as its factorization.

134172023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12853 (or 12750 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 134172023 is about 11583.2647815717. The cubic root of 134172023 is about 511.9418764891.

The spelling of 134172023 in words is "one hundred thirty-four million, one hundred seventy-two thousand, twenty-three".