320124403 has 4 divisors (see below), whose sum is σ = 320230480. Its totient is φ = 320018328.

The previous prime is 320124391. The next prime is 320124437. The reversal of 320124403 is 304421023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 320124403 - 2²¹ = 318027251 is a prime.

It is a super-2 number, since 2×320124403² = 204959266792212818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320124463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48375 + ... + 54592.

It is an arithmetic number, because the mean of its divisors is an integer number (80057620).

Almost surely, 2^320124403 is an apocalyptic number.

320124403 is a deficient number, since it is larger than the sum of its proper divisors (106077).

320124403 is a wasteful number, since it uses less digits than its factorization.

320124403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106076.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 320124403 is about 17892.0206516760. The cubic root of 320124403 is about 684.0790030779.

Adding to 320124403 its reverse (304421023), we get a palindrome (624545426).

The spelling of 320124403 in words is "three hundred twenty million, one hundred twenty-four thousand, four hundred three".