123040413413 has 12 divisors (see below), whose sum is σ = 126201858660. Its totient is φ = 119956369920.

The previous prime is 123040413403. The next prime is 123040413437. The reversal of 123040413413 is 314314040321.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 46710880129 + 76329533284 = 216127^2 + 276278^2 .

It is not a de Polignac number, because 123040413413 - 2²⁰ = 123039364837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123040413403) 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, 2478431 + ... + 2527587.

It is an arithmetic number, because the mean of its divisors is an integer number (10516821555).

Almost surely, 2^123040413413 is an apocalyptic number.

It is an amenable number.

123040413413 is a deficient number, since it is larger than the sum of its proper divisors (3161445247).

123040413413 is an equidigital number, since it uses as much as digits as its factorization.

123040413413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50728 (or 50687 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 123040413413 its reverse (314314040321), we get a palindrome (437354453734).

The spelling of 123040413413 in words is "one hundred twenty-three billion, forty million, four hundred thirteen thousand, four hundred thirteen".