123355050263 has 4 divisors (see below), whose sum is σ = 123751690608. Its totient is φ = 122958409920.

The previous prime is 123355050233. The next prime is 123355050271. The reversal of 123355050263 is 362050553321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123355050263 - 2⁶ = 123355050199 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 (123355050233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198319706 + ... + 198320327.

It is an arithmetic number, because the mean of its divisors is an integer number (30937922652).

Almost surely, 2^123355050263 is an apocalyptic number.

123355050263 is a deficient number, since it is larger than the sum of its proper divisors (396640345).

123355050263 is an equidigital number, since it uses as much as digits as its factorization.

123355050263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396640344.

The product of its (nonzero) digits is 81000, while the sum is 35.

The spelling of 123355050263 in words is "one hundred twenty-three billion, three hundred fifty-five million, fifty thousand, two hundred sixty-three".