423822694 has 4 divisors (see below), whose sum is σ = 635734044. Its totient is φ = 211911346.

The previous prime is 423822691. The next prime is 423822701. The reversal of 423822694 is 496228324.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423822691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105955672 + ... + 105955675.

It is an arithmetic number, because the mean of its divisors is an integer number (158933511).

Almost surely, 2^423822694 is an apocalyptic number.

423822694 is a deficient number, since it is larger than the sum of its proper divisors (211911350).

423822694 is a wasteful number, since it uses less digits than its factorization.

423822694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211911349.

The product of its digits is 165888, while the sum is 40.

The square root of 423822694 is about 20586.9544615030. The cubic root of 423822694 is about 751.1524173757.

The spelling of 423822694 in words is "four hundred twenty-three million, eight hundred twenty-two thousand, six hundred ninety-four".