123124031413 has 2 divisors, whose sum is σ = 123124031414. Its totient is φ = 123124031412.

The previous prime is 123124031339. The next prime is 123124031441. The reversal of 123124031413 is 314130421321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96508392964 + 26615638449 = 310658^2 + 163143^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123124031413 is a prime.

It is a super-2 number, since 2×123124031413² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123124031473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61562015706 + 61562015707.

It is an arithmetic number, because the mean of its divisors is an integer number (61562015707).

Almost surely, 2^123124031413 is an apocalyptic number.

It is an amenable number.

123124031413 is a deficient number, since it is larger than the sum of its proper divisors (1).

123124031413 is an equidigital number, since it uses as much as digits as its factorization.

123124031413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 123124031413 its reverse (314130421321), we get a palindrome (437254452734).

The spelling of 123124031413 in words is "one hundred twenty-three billion, one hundred twenty-four million, thirty-one thousand, four hundred thirteen".