320412433 has 8 divisors (see below), whose sum is σ = 349771680. Its totient is φ = 291091680.

The previous prime is 320412427. The next prime is 320412457. The reversal of 320412433 is 334214023.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-320412433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320412473) 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, 9438 + ... + 27016.

It is an arithmetic number, because the mean of its divisors is an integer number (43721460).

Almost surely, 2^320412433 is an apocalyptic number.

It is an amenable number.

320412433 is a deficient number, since it is larger than the sum of its proper divisors (29359247).

320412433 is a wasteful number, since it uses less digits than its factorization.

320412433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19247.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 320412433 is about 17900.0679607648. The cubic root of 320412433 is about 684.2841068950.

Adding to 320412433 its reverse (334214023), we get a palindrome (654626456).

The spelling of 320412433 in words is "three hundred twenty million, four hundred twelve thousand, four hundred thirty-three".