320010623 has 2 divisors, whose sum is σ = 320010624. Its totient is φ = 320010622.

The previous prime is 320010589. The next prime is 320010629. The reversal of 320010623 is 326010023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320010623 - 2¹⁸ = 319748479 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320010629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160005311 + 160005312.

It is an arithmetic number, because the mean of its divisors is an integer number (160005312).

Almost surely, 2^320010623 is an apocalyptic number.

320010623 is a deficient number, since it is larger than the sum of its proper divisors (1).

320010623 is an equidigital number, since it uses as much as digits as its factorization.

320010623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 320010623 is about 17888.8407394107. The cubic root of 320010623 is about 683.9979473680.

Adding to 320010623 its reverse (326010023), we get a palindrome (646020646).

The spelling of 320010623 in words is "three hundred twenty million, ten thousand, six hundred twenty-three".