123013413 has 12 divisors (see below), whose sum is σ = 178296300. Its totient is φ = 81727296.

The previous prime is 123013409. The next prime is 123013417. The reversal of 123013413 is 314310321.

It is an interprime number because it is at equal distance from previous prime (123013409) and next prime (123013417).

It can be written as a sum of positive squares in 2 ways, for example, as 100942209 + 22071204 = 10047^2 + 4698^2 .

It is not a de Polignac number, because 123013413 - 2² = 123013409 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123013417) 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, 20688 + ... + 25961.

It is an arithmetic number, because the mean of its divisors is an integer number (14858025).

Almost surely, 2^123013413 is an apocalyptic number.

It is an amenable number.

123013413 is a deficient number, since it is larger than the sum of its proper divisors (55282887).

123013413 is a wasteful number, since it uses less digits than its factorization.

123013413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46948 (or 46945 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 123013413 is about 11091.1411946652. The cubic root of 123013413 is about 497.3370600127.

Adding to 123013413 its reverse (314310321), we get a palindrome (437323734).

The spelling of 123013413 in words is "one hundred twenty-three million, thirteen thousand, four hundred thirteen".