123754974387 has 16 divisors (see below), whose sum is σ = 180023692800. Its totient is φ = 74996157600.

The previous prime is 123754974383. The next prime is 123754974503. The reversal of 123754974387 is 783479457321.

It is not a de Polignac number, because 123754974387 - 2² = 123754974383 is a prime.

It is a super-3 number, since 3×123754974387³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123754974387.

It is not an unprimeable number, because it can be changed into a prime (123754974383) 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, 207489 + ... + 539037.

It is an arithmetic number, because the mean of its divisors is an integer number (11251480800).

Almost surely, 2^123754974387 is an apocalyptic number.

123754974387 is a deficient number, since it is larger than the sum of its proper divisors (56268718413).

123754974387 is a wasteful number, since it uses less digits than its factorization.

123754974387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342874.

The product of its digits is 35562240, while the sum is 60.

The spelling of 123754974387 in words is "one hundred twenty-three billion, seven hundred fifty-four million, nine hundred seventy-four thousand, three hundred eighty-seven".