423230030145 has 72 divisors (see below), whose sum is σ = 795666503736. Its totient is φ = 208019395584.

The previous prime is 423230030137. The next prime is 423230030191. The reversal of 423230030145 is 541030032324.

423230030145 is a `hidden beast` number, since 423 + 230 + 0 + 3 + 0 + 1 + 4 + 5 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 346012179984 + 77217850161 = 588228^2 + 277881^2 .

It is not a de Polignac number, because 423230030145 - 2³ = 423230030137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4647187 + ... + 4737383.

It is an arithmetic number, because the mean of its divisors is an integer number (11050923663).

Almost surely, 2^423230030145 is an apocalyptic number.

423230030145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

423230030145 is a deficient number, since it is larger than the sum of its proper divisors (372436473591).

423230030145 is a wasteful number, since it uses less digits than its factorization.

423230030145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90851 (or 90835 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 423230030145 its reverse (541030032324), we get a palindrome (964260062469).

The spelling of 423230030145 in words is "four hundred twenty-three billion, two hundred thirty million, thirty thousand, one hundred forty-five".