423545130 has 24 divisors (see below), whose sum is σ = 1101217572. Its totient is φ = 112945344.

The previous prime is 423545117. The next prime is 423545137. The reversal of 423545130 is 31545324.

It can be written as a sum of positive squares in 2 ways, for example, as 346965129 + 76580001 = 18627^2 + 8751^2 .

It is a junction number, because it is equal to n+sod(n) for n = 423545094 and 423545103.

It is not an unprimeable number, because it can be changed into a prime (423545137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2352939 + ... + 2353118.

Almost surely, 2^423545130 is an apocalyptic number.

423545130 is an abundant number, since it is smaller than the sum of its proper divisors (677672442).

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

423545130 is a wasteful number, since it uses less digits than its factorization.

423545130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4706070 (or 4706067 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 423545130 is about 20580.2120980324. The cubic root of 423545130 is about 750.9884035058.

The spelling of 423545130 in words is "four hundred twenty-three million, five hundred forty-five thousand, one hundred thirty".