123435401303 has 8 divisors (see below), whose sum is σ = 130700404080. Its totient is φ = 116170853760.

The previous prime is 123435401291. The next prime is 123435401329. The reversal of 123435401303 is 303104534321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123435401303 - 2⁶ = 123435401239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123435400303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 557693 + ... + 746921.

It is an arithmetic number, because the mean of its divisors is an integer number (16337550510).

Almost surely, 2^123435401303 is an apocalyptic number.

123435401303 is a deficient number, since it is larger than the sum of its proper divisors (7265002777).

123435401303 is a wasteful number, since it uses less digits than its factorization.

123435401303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227617.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 123435401303 its reverse (303104534321), we get a palindrome (426539935624).

The spelling of 123435401303 in words is "one hundred twenty-three billion, four hundred thirty-five million, four hundred one thousand, three hundred three".