923605013 has 2 divisors, whose sum is σ = 923605014. Its totient is φ = 923605012.

The previous prime is 923605009. The next prime is 923605031. The reversal of 923605013 is 310506329.

Together with next prime (923605031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 910047889 + 13557124 = 30167^2 + 3682^2 .

It is a cyclic number.

It is not a de Polignac number, because 923605013 - 2² = 923605009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (923605003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461802506 + 461802507.

It is an arithmetic number, because the mean of its divisors is an integer number (461802507).

Almost surely, 2^923605013 is an apocalyptic number.

It is an amenable number.

923605013 is a deficient number, since it is larger than the sum of its proper divisors (1).

923605013 is an equidigital number, since it uses as much as digits as its factorization.

923605013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 923605013 is about 30390.8705535067. The cubic root of 923605013 is about 973.8575311606.

The spelling of 923605013 in words is "nine hundred twenty-three million, six hundred five thousand, thirteen".