123373509752 has 8 divisors (see below), whose sum is σ = 231325330800. Its totient is φ = 61686754872.

The previous prime is 123373509751. The next prime is 123373509769. The reversal of 123373509752 is 257905373321.

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

It is a junction number, because it is equal to n+sod(n) for n = 123373509697 and 123373509706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123373509751) 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 as a sum of consecutive naturals, namely, 7710844352 + ... + 7710844367.

It is an arithmetic number, because the mean of its divisors is an integer number (28915666350).

Almost surely, 2^123373509752 is an apocalyptic number.

It is an amenable number.

123373509752 is a deficient number, since it is larger than the sum of its proper divisors (107951821048).

123373509752 is a wasteful number, since it uses less digits than its factorization.

123373509752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15421688725 (or 15421688721 counting only the distinct ones).

The product of its (nonzero) digits is 1190700, while the sum is 47.

The spelling of 123373509752 in words is "one hundred twenty-three billion, three hundred seventy-three million, five hundred nine thousand, seven hundred fifty-two".