855723941 has 4 divisors (see below), whose sum is σ = 866033952. Its totient is φ = 845413932.

The previous prime is 855723937. The next prime is 855723949. The reversal of 855723941 is 149327558.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 855723941 - 2² = 855723937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 855723892 and 855723901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855723949) 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, 5154881 + ... + 5155046.

It is an arithmetic number, because the mean of its divisors is an integer number (216508488).

Almost surely, 2^855723941 is an apocalyptic number.

It is an amenable number.

855723941 is a deficient number, since it is larger than the sum of its proper divisors (10310011).

855723941 is a wasteful number, since it uses less digits than its factorization.

855723941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10310010.

The product of its digits is 302400, while the sum is 44.

The square root of 855723941 is about 29252.7595450412. The cubic root of 855723941 is about 949.3897987229.

The spelling of 855723941 in words is "eight hundred fifty-five million, seven hundred twenty-three thousand, nine hundred forty-one".