1423208331 has 12 divisors (see below), whose sum is σ = 2056297152. Its totient is φ = 948550896.

The previous prime is 1423208317. The next prime is 1423208341. The reversal of 1423208331 is 1338023241.

1423208331 is a `hidden beast` number, since 1 + 4 + 2 + 320 + 8 + 331 = 666.

It is not a de Polignac number, because 1423208331 - 2⁷ = 1423208203 is a prime.

It is a super-2 number, since 2×1423208331² = 4051043906855611122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1423208295 and 1423208304.

It is not an unprimeable number, because it can be changed into a prime (1423208341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17985 + ... + 56301.

It is an arithmetic number, because the mean of its divisors is an integer number (171358096).

Almost surely, 2^1423208331 is an apocalyptic number.

1423208331 is a deficient number, since it is larger than the sum of its proper divisors (633088821).

1423208331 is a wasteful number, since it uses less digits than its factorization.

1423208331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42450 (or 42447 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1423208331 is about 37725.4334766348. The cubic root of 1423208331 is about 1124.8367383825.

The spelling of 1423208331 in words is "one billion, four hundred twenty-three million, two hundred eight thousand, three hundred thirty-one".