123754349742 has 16 divisors (see below), whose sum is σ = 247613117952. Its totient is φ = 41234046840.

The previous prime is 123754349731. The next prime is 123754349777. The reversal of 123754349742 is 247943457321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4335358 + ... + 4363809.

It is an arithmetic number, because the mean of its divisors is an integer number (15475819872).

Almost surely, 2^123754349742 is an apocalyptic number.

123754349742 is an abundant number, since it is smaller than the sum of its proper divisors (123858768210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123754349742 is a wasteful number, since it uses less digits than its factorization.

123754349742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8701543.

The product of its digits is 5080320, while the sum is 51.

The spelling of 123754349742 in words is "one hundred twenty-three billion, seven hundred fifty-four million, three hundred forty-nine thousand, seven hundred forty-two".