123413043043 has 4 divisors (see below), whose sum is σ = 124126413408. Its totient is φ = 122699672680.

The previous prime is 123413043037. The next prime is 123413043049. The reversal of 123413043043 is 340340314321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340340314321 = 7 ⋅48620044903.

It is an interprime number because it is at equal distance from previous prime (123413043037) and next prime (123413043049).

It is a cyclic number.

It is not a de Polignac number, because 123413043043 - 2⁹ = 123413042531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123413043049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356684923 + ... + 356685268.

It is an arithmetic number, because the mean of its divisors is an integer number (31031603352).

Almost surely, 2^123413043043 is an apocalyptic number.

123413043043 is a deficient number, since it is larger than the sum of its proper divisors (713370365).

123413043043 is an equidigital number, since it uses as much as digits as its factorization.

123413043043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713370364.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 123413043043 its reverse (340340314321), we get a palindrome (463753357364).

The spelling of 123413043043 in words is "one hundred twenty-three billion, four hundred thirteen million, forty-three thousand, forty-three".