8278431123 has 16 divisors (see below), whose sum is σ = 11113007360. Its totient is φ = 5481450144.

The previous prime is 8278431107. The next prime is 8278431131. The reversal of 8278431123 is 3211348728.

It is not a de Polignac number, because 8278431123 - 2⁴ = 8278431107 is a prime.

It is a super-2 number, since 2×8278431123² (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 (8278431103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 870090 + ... + 879552.

It is an arithmetic number, because the mean of its divisors is an integer number (694562960).

Almost surely, 2^8278431123 is an apocalyptic number.

8278431123 is a deficient number, since it is larger than the sum of its proper divisors (2834576237).

8278431123 is a wasteful number, since it uses less digits than its factorization.

8278431123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11418.

The product of its digits is 64512, while the sum is 39.

The square root of 8278431123 is about 90985.8841963961. The cubic root of 8278431123 is about 2022.9385003785.

The spelling of 8278431123 in words is "eight billion, two hundred seventy-eight million, four hundred thirty-one thousand, one hundred twenty-three".