423013145 has 16 divisors (see below), whose sum is σ = 521465472. Its totient is φ = 329239680.

The previous prime is 423013141. The next prime is 423013153. The reversal of 423013145 is 541310324.

It is not a de Polignac number, because 423013145 - 2² = 423013141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423013145.

It is not an unprimeable number, because it can be changed into a prime (423013141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52805 + ... + 60285.

It is an arithmetic number, because the mean of its divisors is an integer number (32591592).

Almost surely, 2^423013145 is an apocalyptic number.

It is an amenable number.

423013145 is a deficient number, since it is larger than the sum of its proper divisors (98452327).

423013145 is a wasteful number, since it uses less digits than its factorization.

423013145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7792.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 423013145 is about 20567.2833646060. The cubic root of 423013145 is about 750.6738506820.

Adding to 423013145 its reverse (541310324), we get a palindrome (964323469).

The spelling of 423013145 in words is "four hundred twenty-three million, thirteen thousand, one hundred forty-five".