123152304243 has 4 divisors (see below), whose sum is σ = 164203072328. Its totient is φ = 82101536160.

The previous prime is 123152304227. The next prime is 123152304259. The reversal of 123152304243 is 342403251321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342403251321 = 3 ⋅114134417107.

It is an interprime number because it is at equal distance from previous prime (123152304227) and next prime (123152304259).

It is not a de Polignac number, because 123152304243 - 2⁴ = 123152304227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123152304243.

It is not an unprimeable number, because it can be changed into a prime (123152303243) 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, 20525384038 + ... + 20525384043.

It is an arithmetic number, because the mean of its divisors is an integer number (41050768082).

Almost surely, 2^123152304243 is an apocalyptic number.

123152304243 is a deficient number, since it is larger than the sum of its proper divisors (41050768085).

123152304243 is an equidigital number, since it uses as much as digits as its factorization.

123152304243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41050768084.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 123152304243 its reverse (342403251321), we get a palindrome (465555555564).

The spelling of 123152304243 in words is "one hundred twenty-three billion, one hundred fifty-two million, three hundred four thousand, two hundred forty-three".