423031413 has 16 divisors (see below), whose sum is σ = 648950400. Its totient is φ = 240108096.

The previous prime is 423031391. The next prime is 423031421. The reversal of 423031413 is 314130324.

It is not a de Polignac number, because 423031413 - 2¹⁶ = 422965877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 423031413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423031313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64470 + ... + 70727.

It is an arithmetic number, because the mean of its divisors is an integer number (40559400).

Almost surely, 2^423031413 is an apocalyptic number.

It is an amenable number.

423031413 is a deficient number, since it is larger than the sum of its proper divisors (225918987).

423031413 is a wasteful number, since it uses less digits than its factorization.

423031413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135356.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 423031413 is about 20567.7274631885. The cubic root of 423031413 is about 750.6846565814.

Adding to 423031413 its reverse (314130324), we get a palindrome (737161737).

The spelling of 423031413 in words is "four hundred twenty-three million, thirty-one thousand, four hundred thirteen".