123343035051 has 4 divisors (see below), whose sum is σ = 164457380072. Its totient is φ = 82228690032.

The previous prime is 123343035047. The next prime is 123343035059. The reversal of 123343035051 is 150530343321.

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

It is not a de Polignac number, because 123343035051 - 2² = 123343035047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123343035059) 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, 20557172506 + ... + 20557172511.

It is an arithmetic number, because the mean of its divisors is an integer number (41114345018).

Almost surely, 2^123343035051 is an apocalyptic number.

123343035051 is a deficient number, since it is larger than the sum of its proper divisors (41114345021).

123343035051 is an equidigital number, since it uses as much as digits as its factorization.

123343035051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41114345020.

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 123343035051 its reverse (150530343321), we get a palindrome (273873378372).

The spelling of 123343035051 in words is "one hundred twenty-three billion, three hundred forty-three million, thirty-five thousand, fifty-one".