423036811 has 4 divisors (see below), whose sum is σ = 433354824. Its totient is φ = 412718800.

The previous prime is 423036797. The next prime is 423036821. The reversal of 423036811 is 118630324.

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 423036811 - 2¹⁹ = 422512523 is a prime.

It is a super-2 number, since 2×423036811² = 357920286922099442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 423036811.

It is not an unprimeable number, because it can be changed into a prime (423036821) 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, 5158945 + ... + 5159026.

It is an arithmetic number, because the mean of its divisors is an integer number (108338706).

Almost surely, 2^423036811 is an apocalyptic number.

423036811 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

423036811 is a deficient number, since it is larger than the sum of its proper divisors (10318013).

423036811 is a wasteful number, since it uses less digits than its factorization.

423036811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10318012.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 423036811 is about 20567.8586877682. The cubic root of 423036811 is about 750.6878495504.

It can be divided in two parts, 4230 and 36811, that added together give a triangular number (41041 = T₂₈₆).

The spelling of 423036811 in words is "four hundred twenty-three million, thirty-six thousand, eight hundred eleven".