123754349743 has 16 divisors (see below), whose sum is σ = 126839623680. Its totient is φ = 120698476704.

The previous prime is 123754349731. The next prime is 123754349777. The reversal of 123754349743 is 347943457321.

It is a cyclic number.

It is not a de Polignac number, because 123754349743 - 2⁹ = 123754349231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123754344743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8490580 + ... + 8505142.

It is an arithmetic number, because the mean of its divisors is an integer number (7927476480).

Almost surely, 2^123754349743 is an apocalyptic number.

123754349743 is a deficient number, since it is larger than the sum of its proper divisors (3085273937).

123754349743 is a wasteful number, since it uses less digits than its factorization.

123754349743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15558.

The product of its digits is 7620480, while the sum is 52.

The spelling of 123754349743 in words is "one hundred twenty-three billion, seven hundred fifty-four million, three hundred forty-nine thousand, seven hundred forty-three".