123343140773 has 12 divisors (see below), whose sum is σ = 136523708748. Its totient is φ = 111040364160.

The previous prime is 123343140757. The next prime is 123343140797. The reversal of 123343140773 is 377041343321.

It can be written as a sum of positive squares in 2 ways, for example, as 65342606884 + 58000533889 = 255622^2 + 240833^2 .

It is not a de Polignac number, because 123343140773 - 2⁴ = 123343140757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123343140703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6848738 + ... + 6866723.

It is an arithmetic number, because the mean of its divisors is an integer number (11376975729).

Almost surely, 2^123343140773 is an apocalyptic number.

It is an amenable number.

123343140773 is a deficient number, since it is larger than the sum of its proper divisors (13180567975).

123343140773 is a wasteful number, since it uses less digits than its factorization.

123343140773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13715524 (or 13715501 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 38.

The spelling of 123343140773 in words is "one hundred twenty-three billion, three hundred forty-three million, one hundred forty thousand, seven hundred seventy-three".