123730743 has 32 divisors (see below), whose sum is σ = 182891520. Its totient is φ = 74071040.

The previous prime is 123730721. The next prime is 123730751. The reversal of 123730743 is 347037321.

It is not a de Polignac number, because 123730743 - 2¹³ = 123722551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123730743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123732743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97648 + ... + 98906.

It is an arithmetic number, because the mean of its divisors is an integer number (5715360).

Almost surely, 2^123730743 is an apocalyptic number.

123730743 is a deficient number, since it is larger than the sum of its proper divisors (59160777).

123730743 is a wasteful number, since it uses less digits than its factorization.

123730743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367.

The product of its (nonzero) digits is 10584, while the sum is 30.

The square root of 123730743 is about 11123.4321591854. The cubic root of 123730743 is about 498.3018967528.

The spelling of 123730743 in words is "one hundred twenty-three million, seven hundred thirty thousand, seven hundred forty-three".