823070666823 has 8 divisors (see below), whose sum is σ = 1108293175536. Its totient is φ = 543280968000.

The previous prime is 823070666797. The next prime is 823070666849. The reversal of 823070666823 is 328666070328.

It is an interprime number because it is at equal distance from previous prime (823070666797) and next prime (823070666849).

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

It is not a de Polignac number, because 823070666823 - 2⁵ = 823070666791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823070666623) 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, 1358202118 + ... + 1358202723.

It is an arithmetic number, because the mean of its divisors is an integer number (138536646942).

Almost surely, 2^823070666823 is an apocalyptic number.

823070666823 is a deficient number, since it is larger than the sum of its proper divisors (285222508713).

823070666823 is a wasteful number, since it uses less digits than its factorization.

823070666823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716404945.

The product of its (nonzero) digits is 3483648, while the sum is 51.

The spelling of 823070666823 in words is "eight hundred twenty-three billion, seventy million, six hundred sixty-six thousand, eight hundred twenty-three".