123312401313 has 16 divisors (see below), whose sum is σ = 164622891840. Its totient is φ = 82105160256.

The previous prime is 123312401291. The next prime is 123312401347. The reversal of 123312401313 is 313104213321.

It is not a de Polignac number, because 123312401313 - 2¹⁴ = 123312384929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123312401393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8563906 + ... + 8578292.

It is an arithmetic number, because the mean of its divisors is an integer number (10288930740).

Almost surely, 2^123312401313 is an apocalyptic number.

It is an amenable number.

123312401313 is a deficient number, since it is larger than the sum of its proper divisors (41310490527).

123312401313 is a wasteful number, since it uses less digits than its factorization.

123312401313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17776.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 123312401313 its reverse (313104213321), we get a palindrome (436416614634).

The spelling of 123312401313 in words is "one hundred twenty-three billion, three hundred twelve million, four hundred one thousand, three hundred thirteen".