123242054130545 has 8 divisors (see below), whose sum is σ = 169017674236224. Its totient is φ = 84508837118064.

The previous prime is 123242054130499. The next prime is 123242054130551. The reversal of 123242054130545 is 545031450242321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123242054130545 - 2¹⁰ = 123242054129521 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1760600773259 + ... + 1760600773328.

It is an arithmetic number, because the mean of its divisors is an integer number (21127209279528).

Almost surely, 2^{123242054130545} is an apocalyptic number.

It is an amenable number.

123242054130545 is a deficient number, since it is larger than the sum of its proper divisors (45775620105679).

123242054130545 is an equidigital number, since it uses as much as digits as its factorization.

123242054130545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3521201546599.

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 123242054130545 in words is "one hundred twenty-three trillion, two hundred forty-two billion, fifty-four million, one hundred thirty thousand, five hundred forty-five".