208373423 has 4 divisors (see below), whose sum is σ = 209203848. Its totient is φ = 207543000.

The previous prime is 208373411. The next prime is 208373441. The reversal of 208373423 is 324373802.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324373802 = 2 ⋅162186901.

It is a cyclic number.

It is not a de Polignac number, because 208373423 - 2⁶ = 208373359 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 208373423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208373443) 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, 414836 + ... + 415337.

It is an arithmetic number, because the mean of its divisors is an integer number (52300962).

Almost surely, 2^208373423 is an apocalyptic number.

208373423 is a deficient number, since it is larger than the sum of its proper divisors (830425).

208373423 is an equidigital number, since it uses as much as digits as its factorization.

208373423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830424.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 208373423 is about 14435.1454097283. The cubic root of 208373423 is about 592.8535735541.

The spelling of 208373423 in words is "two hundred eight million, three hundred seventy-three thousand, four hundred twenty-three".