123433235513 has 8 divisors (see below), whose sum is σ = 141124223232. Its totient is φ = 105756664896.

The previous prime is 123433235489. The next prime is 123433235521. The reversal of 123433235513 is 315532334321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123433235513 - 2³⁰ = 122359493689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123433235713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3585920 + ... + 3620177.

It is an arithmetic number, because the mean of its divisors is an integer number (17640527904).

Almost surely, 2^123433235513 is an apocalyptic number.

It is an amenable number.

123433235513 is a deficient number, since it is larger than the sum of its proper divisors (17690987719).

123433235513 is an equidigital number, since it uses as much as digits as its factorization.

123433235513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7208551.

The product of its digits is 97200, while the sum is 35.

Adding to 123433235513 its reverse (315532334321), we get a palindrome (438965569834).

The spelling of 123433235513 in words is "one hundred twenty-three billion, four hundred thirty-three million, two hundred thirty-five thousand, five hundred thirteen".