123310101320 has 48 divisors (see below), whose sum is σ = 322745321340. Its totient is φ = 42277748352.

The previous prime is 123310101281. The next prime is 123310101329. The reversal of 123310101320 is 23101013321.

It can be written as a sum of positive squares in 2 ways, for example, as 119413095844 + 3897005476 = 345562^2 + 62426^2 .

It is not an unprimeable number, because it can be changed into a prime (123310101329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31454699 + ... + 31458618.

Almost surely, 2^123310101320 is an apocalyptic number.

123310101320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123310101320 is an abundant number, since it is smaller than the sum of its proper divisors (199435220020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123310101320 is a wasteful number, since it uses less digits than its factorization.

123310101320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62913342 (or 62913331 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 123310101320 its reverse (23101013321), we get a palindrome (146411114641).

The spelling of 123310101320 in words is "one hundred twenty-three billion, three hundred ten million, one hundred one thousand, three hundred twenty".