123403134303 has 12 divisors (see below), whose sum is σ = 178263784920. Its totient is φ = 82261919376.

The previous prime is 123403134293. The next prime is 123403134307. The reversal of 123403134303 is 303431304321.

123403134303 is a `hidden beast` number, since 1 + 2 + 3 + 40 + 313 + 4 + 303 = 666.

It is not a de Polignac number, because 123403134303 - 2¹⁷ = 123403003231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123403134307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 454188 + ... + 673121.

It is an arithmetic number, because the mean of its divisors is an integer number (14855315410).

Almost surely, 2^123403134303 is an apocalyptic number.

123403134303 is a deficient number, since it is larger than the sum of its proper divisors (54860650617).

123403134303 is a wasteful number, since it uses less digits than its factorization.

123403134303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139478 (or 1139475 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 123403134303 its reverse (303431304321), we get a palindrome (426834438624).

The spelling of 123403134303 in words is "one hundred twenty-three billion, four hundred three million, one hundred thirty-four thousand, three hundred three".