423090513 has 8 divisors (see below), whose sum is σ = 626800800. Its totient is φ = 282060324.

The previous prime is 423090457. The next prime is 423090527. The reversal of 423090513 is 315090324.

It is not a de Polignac number, because 423090513 - 2⁹ = 423090001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 15670019 = 423090513 / (4 + 2 + 3 + 0 + 9 + 0 + 5 + 1 + 3).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (423090013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7834983 + ... + 7835036.

It is an arithmetic number, because the mean of its divisors is an integer number (78350100).

Almost surely, 2^423090513 is an apocalyptic number.

It is an amenable number.

423090513 is a deficient number, since it is larger than the sum of its proper divisors (203710287).

423090513 is a wasteful number, since it uses less digits than its factorization.

423090513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15670028 (or 15670022 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 423090513 is about 20569.1641298328. The cubic root of 423090513 is about 750.7196133214.

The spelling of 423090513 in words is "four hundred twenty-three million, ninety thousand, five hundred thirteen".