123112302113 has 12 divisors (see below), whose sum is σ = 127679959680. Its totient is φ = 118702957296.

The previous prime is 123112302097. The next prime is 123112302119. The reversal of 123112302113 is 311203211321.

It is a happy number.

It is not a de Polignac number, because 123112302113 - 2⁴ = 123112302097 is a prime.

It is a super-3 number, since 3×123112302113³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123112302119) 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, 510728 + ... + 712086.

It is an arithmetic number, because the mean of its divisors is an integer number (10639996640).

Almost surely, 2^123112302113 is an apocalyptic number.

It is an amenable number.

123112302113 is a deficient number, since it is larger than the sum of its proper divisors (4567657567).

123112302113 is an equidigital number, since it uses as much as digits as its factorization.

123112302113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202144 (or 202115 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 123112302113 its reverse (311203211321), we get a palindrome (434315513434).

The spelling of 123112302113 in words is "one hundred twenty-three billion, one hundred twelve million, three hundred two thousand, one hundred thirteen".