423142866 has 40 divisors (see below), whose sum is σ = 949923084. Its totient is φ = 140784480.

The previous prime is 423142861. The next prime is 423142871. The reversal of 423142866 is 668241324.

It is an interprime number because it is at equal distance from previous prime (423142861) and next prime (423142871).

It can be written as a sum of positive squares in 2 ways, for example, as 421439841 + 1703025 = 20529^2 + 1305^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 423142866.

It is not an unprimeable number, because it can be changed into a prime (423142861) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 97176 + ... + 101436.

Almost surely, 2^423142866 is an apocalyptic number.

423142866 is an abundant number, since it is smaller than the sum of its proper divisors (526780218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423142866 is a wasteful number, since it uses less digits than its factorization.

423142866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4888 (or 4879 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 423142866 is about 20570.4366993022. The cubic root of 423142866 is about 750.7505765958.

The spelling of 423142866 in words is "four hundred twenty-three million, one hundred forty-two thousand, eight hundred sixty-six".