210723458313 has 4 divisors (see below), whose sum is σ = 280964611088. Its totient is φ = 140482305540.

The previous prime is 210723458291. The next prime is 210723458347. The reversal of 210723458313 is 313854327012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 210723458313 - 2⁹ = 210723457801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210723458353) 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 in 3 ways as a sum of consecutive naturals, for example, 35120576383 + ... + 35120576388.

It is an arithmetic number, because the mean of its divisors is an integer number (70241152772).

Almost surely, 2^210723458313 is an apocalyptic number.

It is an amenable number.

210723458313 is a deficient number, since it is larger than the sum of its proper divisors (70241152775).

210723458313 is an equidigital number, since it uses as much as digits as its factorization.

210723458313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70241152774.

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 210723458313 in words is "two hundred ten billion, seven hundred twenty-three million, four hundred fifty-eight thousand, three hundred thirteen".