123312000313 has 4 divisors (see below), whose sum is σ = 123312718480. Its totient is φ = 123311282148.

The previous prime is 123312000281. The next prime is 123312000323. The reversal of 123312000313 is 313000213321.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 123312000313 - 2⁵ = 123312000281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123312000323) 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, 67006 + ... + 501112.

It is an arithmetic number, because the mean of its divisors is an integer number (30828179620).

Almost surely, 2^123312000313 is an apocalyptic number.

It is an amenable number.

123312000313 is a deficient number, since it is larger than the sum of its proper divisors (718167).

123312000313 is an equidigital number, since it uses as much as digits as its factorization.

123312000313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718166.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 123312000313 its reverse (313000213321), we get a palindrome (436312213634).

The spelling of 123312000313 in words is "one hundred twenty-three billion, three hundred twelve million, three hundred thirteen", and thus it is an aban number.