423234321194 has 4 divisors (see below), whose sum is σ = 634851481794. Its totient is φ = 211617160596.

The previous prime is 423234321193. The next prime is 423234321233. The reversal of 423234321194 is 491123432324.

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

It can be written as a sum of positive squares in only one way, i.e., 423167163169 + 67158025 = 650513^2 + 8195^2 .

It is not an unprimeable number, because it can be changed into a prime (423234321193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105808580297 + ... + 105808580300.

Almost surely, 2^423234321194 is an apocalyptic number.

423234321194 is a deficient number, since it is larger than the sum of its proper divisors (211617160600).

423234321194 is a wasteful number, since it uses less digits than its factorization.

423234321194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211617160599.

The product of its digits is 124416, while the sum is 38.

The spelling of 423234321194 in words is "four hundred twenty-three billion, two hundred thirty-four million, three hundred twenty-one thousand, one hundred ninety-four".