123003302551 has 16 divisors (see below), whose sum is σ = 131472633600. Its totient is φ = 114737817600.

The previous prime is 123003302467. The next prime is 123003302561. The reversal of 123003302551 is 155203300321.

It is not a de Polignac number, because 123003302551 - 2⁹ = 123003302039 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 (123003302561) 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 15 ways as a sum of consecutive naturals, for example, 978096 + ... + 1096666.

It is an arithmetic number, because the mean of its divisors is an integer number (8217039600).

Almost surely, 2^123003302551 is an apocalyptic number.

123003302551 is a deficient number, since it is larger than the sum of its proper divisors (8469331049).

123003302551 is a wasteful number, since it uses less digits than its factorization.

123003302551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119430.

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 123003302551 its reverse (155203300321), we get a palindrome (278206602872).

The spelling of 123003302551 in words is "one hundred twenty-three billion, three million, three hundred two thousand, five hundred fifty-one".