8373356723 has 4 divisors (see below), whose sum is σ = 8510624928. Its totient is φ = 8236088520.

The previous prime is 8373356713. The next prime is 8373356777. The reversal of 8373356723 is 3276533738.

It is a happy number.

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 8373356723 - 2⁴ = 8373356707 is a prime.

It is a super-2 number, since 2×8373356723² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8373356713) 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, 68634011 + ... + 68634132.

It is an arithmetic number, because the mean of its divisors is an integer number (2127656232).

Almost surely, 2^8373356723 is an apocalyptic number.

8373356723 is a deficient number, since it is larger than the sum of its proper divisors (137268205).

8373356723 is a wasteful number, since it uses less digits than its factorization.

8373356723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137268204.

The product of its digits is 1905120, while the sum is 47.

The square root of 8373356723 is about 91506.0474668205. The cubic root of 8373356723 is about 2030.6412206676.

The spelling of 8373356723 in words is "eight billion, three hundred seventy-three million, three hundred fifty-six thousand, seven hundred twenty-three".