194423430455 has 8 divisors (see below), whose sum is σ = 233314391952. Its totient is φ = 155534560768.

The previous prime is 194423430389. The next prime is 194423430469. The reversal of 194423430455 is 554034324491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 194423430455 - 2³² = 190128463159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310634 + ... + 696663.

It is an arithmetic number, because the mean of its divisors is an integer number (29164298994).

Almost surely, 2^194423430455 is an apocalyptic number.

194423430455 is a deficient number, since it is larger than the sum of its proper divisors (38890961497).

194423430455 is a wasteful number, since it uses less digits than its factorization.

194423430455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045905.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 194423430455 in words is "one hundred ninety-four billion, four hundred twenty-three million, four hundred thirty thousand, four hundred fifty-five".