9123144730741 has 4 divisors (see below), whose sum is σ = 9123150991500. Its totient is φ = 9123138469984.

The previous prime is 9123144730729. The next prime is 9123144730753. The reversal of 9123144730741 is 1470374413219.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (9123144730729) and next prime (9123144730753).

It can be written as a sum of positive squares in 2 ways, for example, as 5212678030641 + 3910466700100 = 2283129^2 + 1977490^2 .

It is a cyclic number.

It is not a de Polignac number, because 9123144730741 - 2⁵ = 9123144730709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9123144730691 and 9123144730700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9123144737741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331785 + ... + 4284433.

It is an arithmetic number, because the mean of its divisors is an integer number (2280787747875).

Almost surely, 2^{9123144730741} is an apocalyptic number.

It is an amenable number.

9123144730741 is a deficient number, since it is larger than the sum of its proper divisors (6260759).

9123144730741 is a wasteful number, since it uses less digits than its factorization.

9123144730741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6260758.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 9123144730741 in words is "nine trillion, one hundred twenty-three billion, one hundred forty-four million, seven hundred thirty thousand, seven hundred forty-one".