194003423 has 4 divisors (see below), whose sum is σ = 194160000. Its totient is φ = 193846848.

The previous prime is 194003393. The next prime is 194003437. The reversal of 194003423 is 324300491.

194003423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324300491 = 1291 ⋅251201.

It is a cyclic number.

It is not a de Polignac number, because 194003423 - 2¹⁰ = 194002399 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 194003392 and 194003401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194003483) 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, 76415 + ... + 78912.

It is an arithmetic number, because the mean of its divisors is an integer number (48540000).

Almost surely, 2^194003423 is an apocalyptic number.

194003423 is a deficient number, since it is larger than the sum of its proper divisors (156577).

194003423 is a wasteful number, since it uses less digits than its factorization.

194003423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156576.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 194003423 is about 13928.5111551809. The cubic root of 194003423 is about 578.8994419304.

The spelling of 194003423 in words is "one hundred ninety-four million, three thousand, four hundred twenty-three".