123351335041 has 12 divisors (see below), whose sum is σ = 136494508500. Its totient is φ = 111384959840.

The previous prime is 123351335021. The next prime is 123351335059. The reversal of 123351335041 is 140533153321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16337952400 + 107013382641 = 127820^2 + 327129^2 .

It is a de Polignac number, because none of the positive numbers 2^k-123351335041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123351334994 and 123351335012.

It is not an unprimeable number, because it can be changed into a prime (123351335021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3402886 + ... + 3438943.

It is an arithmetic number, because the mean of its divisors is an integer number (11374542375).

Almost surely, 2^123351335041 is an apocalyptic number.

123351335041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123351335041 is a deficient number, since it is larger than the sum of its proper divisors (13143173459).

123351335041 is a wasteful number, since it uses less digits than its factorization.

123351335041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6842000 (or 6841989 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 123351335041 its reverse (140533153321), we get a palindrome (263884488362).

The spelling of 123351335041 in words is "one hundred twenty-three billion, three hundred fifty-one million, three hundred thirty-five thousand, forty-one".