123303402041 has 4 divisors (see below), whose sum is σ = 129793054800. Its totient is φ = 116813749284.

The previous prime is 123303401993. The next prime is 123303402059. The reversal of 123303402041 is 140204303321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123303402041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123303401998 and 123303402016.

It is not an unprimeable number, because it can be changed into a prime (123303401041) 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, 3244826351 + ... + 3244826388.

It is an arithmetic number, because the mean of its divisors is an integer number (32448263700).

Almost surely, 2^123303402041 is an apocalyptic number.

It is an amenable number.

123303402041 is a deficient number, since it is larger than the sum of its proper divisors (6489652759).

123303402041 is an equidigital number, since it uses as much as digits as its factorization.

123303402041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6489652758.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 123303402041 its reverse (140204303321), we get a palindrome (263507705362).

The spelling of 123303402041 in words is "one hundred twenty-three billion, three hundred three million, four hundred two thousand, forty-one".