855674233823 has 4 divisors (see below), whose sum is σ = 856132550760. Its totient is φ = 855215916888.

The previous prime is 855674233819. The next prime is 855674233879. The reversal of 855674233823 is 328332476558.

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 855674233823 - 2² = 855674233819 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 (855674233223) 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, 229155668 + ... + 229159401.

It is an arithmetic number, because the mean of its divisors is an integer number (214033137690).

Almost surely, 2^855674233823 is an apocalyptic number.

855674233823 is a deficient number, since it is larger than the sum of its proper divisors (458316937).

855674233823 is a wasteful number, since it uses less digits than its factorization.

855674233823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458316936.

The product of its digits is 29030400, while the sum is 56.

The spelling of 855674233823 in words is "eight hundred fifty-five billion, six hundred seventy-four million, two hundred thirty-three thousand, eight hundred twenty-three".