123340425433 has 4 divisors (see below), whose sum is σ = 123354661860. Its totient is φ = 123326189008.

The previous prime is 123340425427. The next prime is 123340425449. The reversal of 123340425433 is 334524043321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34830010384 + 88510415049 = 186628^2 + 297507^2 .

It is a cyclic number.

It is not a de Polignac number, because 123340425433 - 2⁵ = 123340425401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123340425833) 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, 7105210 + ... + 7122547.

It is an arithmetic number, because the mean of its divisors is an integer number (30838665465).

Almost surely, 2^123340425433 is an apocalyptic number.

It is an amenable number.

123340425433 is a deficient number, since it is larger than the sum of its proper divisors (14236427).

123340425433 is an equidigital number, since it uses as much as digits as its factorization.

123340425433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14236426.

The product of its (nonzero) digits is 103680, while the sum is 34.

Adding to 123340425433 its reverse (334524043321), we get a palindrome (457864468754).

The spelling of 123340425433 in words is "one hundred twenty-three billion, three hundred forty million, four hundred twenty-five thousand, four hundred thirty-three".