123201010202313 has 4 divisors (see below), whose sum is σ = 164268013603088. Its totient is φ = 82134006801540.

The previous prime is 123201010202293. The next prime is 123201010202323. The reversal of 123201010202313 is 313202010102321.

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 123201010202313 - 2²² = 123201006008009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123201010202313.

It is not an unprimeable number, because it can be changed into a prime (123201010202323) 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, 20533501700383 + ... + 20533501700388.

It is an arithmetic number, because the mean of its divisors is an integer number (41067003400772).

Almost surely, 2^{123201010202313} is an apocalyptic number.

It is an amenable number.

123201010202313 is a deficient number, since it is larger than the sum of its proper divisors (41067003400775).

123201010202313 is an equidigital number, since it uses as much as digits as its factorization.

123201010202313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41067003400774.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 123201010202313 its reverse (313202010102321), we get a palindrome (436403020304634).

The spelling of 123201010202313 in words is "one hundred twenty-three trillion, two hundred one billion, ten million, two hundred two thousand, three hundred thirteen".