194970423 has 4 divisors (see below), whose sum is σ = 259960568. Its totient is φ = 129980280.

The previous prime is 194970409. The next prime is 194970443. The reversal of 194970423 is 324079491.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 194970423 - 2⁴ = 194970407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194970443) 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, 32495068 + ... + 32495073.

It is an arithmetic number, because the mean of its divisors is an integer number (64990142).

Almost surely, 2^194970423 is an apocalyptic number.

194970423 is a deficient number, since it is larger than the sum of its proper divisors (64990145).

194970423 is an equidigital number, since it uses as much as digits as its factorization.

194970423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64990144.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 194970423 is about 13963.1809771270. The cubic root of 194970423 is about 579.8596796894.

The spelling of 194970423 in words is "one hundred ninety-four million, nine hundred seventy thousand, four hundred twenty-three".