123103326455 has 16 divisors (see below), whose sum is σ = 155513196000. Its totient is φ = 93290808960.

The previous prime is 123103326449. The next prime is 123103326487. The reversal of 123103326455 is 554623301321.

It is a happy number.

It is not a de Polignac number, because 123103326455 - 2¹² = 123103322359 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1100825 + ... + 1207485.

It is an arithmetic number, because the mean of its divisors is an integer number (9719574750).

Almost surely, 2^123103326455 is an apocalyptic number.

123103326455 is a deficient number, since it is larger than the sum of its proper divisors (32409869545).

123103326455 is a wasteful number, since it uses less digits than its factorization.

123103326455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118834.

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 123103326455 its reverse (554623301321), we get a palindrome (677726627776).

The spelling of 123103326455 in words is "one hundred twenty-three billion, one hundred three million, three hundred twenty-six thousand, four hundred fifty-five".