208023134 has 16 divisors (see below), whose sum is σ = 358318080. Its totient is φ = 89579160.

The previous prime is 208023133. The next prime is 208023181. The reversal of 208023134 is 431320802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208023133) 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, 248414 + ... + 249249.

It is an arithmetic number, because the mean of its divisors is an integer number (22394880).

Almost surely, 2^208023134 is an apocalyptic number.

208023134 is a deficient number, since it is larger than the sum of its proper divisors (150294946).

208023134 is a wasteful number, since it uses less digits than its factorization.

208023134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497695.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 208023134 is about 14423.0071067028. The cubic root of 208023134 is about 592.5211790159.

Adding to 208023134 its reverse (431320802), we get a palindrome (639343936).

The spelling of 208023134 in words is "two hundred eight million, twenty-three thousand, one hundred thirty-four".