123360735403 has 2 divisors, whose sum is σ = 123360735404. Its totient is φ = 123360735402.

The previous prime is 123360735361. The next prime is 123360735409. The reversal of 123360735403 is 304537063321.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123360735403 - 2⁹ = 123360734891 is a prime.

It is not a weakly prime, because it can be changed into another prime (123360735409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61680367701 + 61680367702.

It is an arithmetic number, because the mean of its divisors is an integer number (61680367702).

Almost surely, 2^123360735403 is an apocalyptic number.

123360735403 is a deficient number, since it is larger than the sum of its proper divisors (1).

123360735403 is an equidigital number, since it uses as much as digits as its factorization.

123360735403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 37.

Adding to 123360735403 its reverse (304537063321), we get a palindrome (427897798724).

The spelling of 123360735403 in words is "one hundred twenty-three billion, three hundred sixty million, seven hundred thirty-five thousand, four hundred three".