811473123 has 8 divisors (see below), whose sum is σ = 1082812608. Its totient is φ = 540557864.

The previous prime is 811473101. The next prime is 811473133. The reversal of 811473123 is 321374118.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 811473123 - 2¹⁰ = 811472099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (811473133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101565 + ... + 109262.

It is an arithmetic number, because the mean of its divisors is an integer number (135351576).

Almost surely, 2^811473123 is an apocalyptic number.

811473123 is a deficient number, since it is larger than the sum of its proper divisors (271339485).

811473123 is a wasteful number, since it uses less digits than its factorization.

811473123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212113.

The product of its digits is 4032, while the sum is 30.

The square root of 811473123 is about 28486.3673184209. The cubic root of 811473123 is about 932.7345127223.

The spelling of 811473123 in words is "eight hundred eleven million, four hundred seventy-three thousand, one hundred twenty-three".