811303247623 has 8 divisors (see below), whose sum is σ = 885114539136. Its totient is φ = 737501364600.

The previous prime is 811303247561. The next prime is 811303247627. The reversal of 811303247623 is 326742303118.

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

It is not a de Polignac number, because 811303247623 - 2²⁹ = 810766376711 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 (811303247627) 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, 2171211 + ... + 2517292.

It is an arithmetic number, because the mean of its divisors is an integer number (110639317392).

Almost surely, 2^811303247623 is an apocalyptic number.

811303247623 is a deficient number, since it is larger than the sum of its proper divisors (73811291513).

811303247623 is a wasteful number, since it uses less digits than its factorization.

811303247623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4704245.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 811303247623 in words is "eight hundred eleven billion, three hundred three million, two hundred forty-seven thousand, six hundred twenty-three".