423361879 has 4 divisors (see below), whose sum is σ = 424541520. Its totient is φ = 422182240.

The previous prime is 423361877. The next prime is 423361901. The reversal of 423361879 is 978163324.

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

It is a cyclic number.

It is not a de Polignac number, because 423361879 - 2¹ = 423361877 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 (423361877) 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, 589282 + ... + 589999.

It is an arithmetic number, because the mean of its divisors is an integer number (106135380).

Almost surely, 2^423361879 is an apocalyptic number.

423361879 is a deficient number, since it is larger than the sum of its proper divisors (1179641).

423361879 is a wasteful number, since it uses less digits than its factorization.

423361879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179640.

The product of its digits is 217728, while the sum is 43.

The square root of 423361879 is about 20575.7594999553. The cubic root of 423361879 is about 750.8800803556.

The spelling of 423361879 in words is "four hundred twenty-three million, three hundred sixty-one thousand, eight hundred seventy-nine".