423078611 has 4 divisors (see below), whose sum is σ = 423124152. Its totient is φ = 423033072.

The previous prime is 423078587. The next prime is 423078613. The reversal of 423078611 is 116870324.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 423078611 - 2¹⁸ = 422816467 is a prime.

It is a super-2 number, since 2×423078611² = 357991022171378642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423078613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3266 + ... + 29271.

It is an arithmetic number, because the mean of its divisors is an integer number (105781038).

Almost surely, 2^423078611 is an apocalyptic number.

423078611 is a deficient number, since it is larger than the sum of its proper divisors (45541).

423078611 is a wasteful number, since it uses less digits than its factorization.

423078611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45540.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 423078611 is about 20568.8748112287. The cubic root of 423078611 is about 750.7125737335.

The spelling of 423078611 in words is "four hundred twenty-three million, seventy-eight thousand, six hundred eleven".