411871623 has 4 divisors (see below), whose sum is σ = 549162168. Its totient is φ = 274581080.

The previous prime is 411871591. The next prime is 411871633. The reversal of 411871623 is 326178114.

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 411871623 - 2⁵ = 411871591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (411871633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68645268 + ... + 68645273.

It is an arithmetic number, because the mean of its divisors is an integer number (137290542).

Almost surely, 2^411871623 is an apocalyptic number.

411871623 is a deficient number, since it is larger than the sum of its proper divisors (137290545).

411871623 is a wasteful number, since it uses less digits than its factorization.

411871623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137290544.

The product of its digits is 8064, while the sum is 33.

The square root of 411871623 is about 20294.6205433854. The cubic root of 411871623 is about 744.0245919869.

The spelling of 411871623 in words is "four hundred eleven million, eight hundred seventy-one thousand, six hundred twenty-three".