123505550104 has 8 divisors (see below), whose sum is σ = 231572906460. Its totient is φ = 61752775048.

The previous prime is 123505550101. The next prime is 123505550107. The reversal of 123505550104 is 401055505321.

It is an interprime number because it is at equal distance from previous prime (123505550101) and next prime (123505550107).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123505550101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7719096874 + ... + 7719096889.

Almost surely, 2^123505550104 is an apocalyptic number.

It is an amenable number.

123505550104 is a deficient number, since it is larger than the sum of its proper divisors (108067356356).

123505550104 is a wasteful number, since it uses less digits than its factorization.

123505550104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15438193769 (or 15438193765 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 123505550104 in words is "one hundred twenty-three billion, five hundred five million, five hundred fifty thousand, one hundred four".